21955500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 85857408

約数和(自身を除く): 63901908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 25, 28, 30, 34, 35, 36, 41, 42, 45, 50, 51, 60, 63, 68, 70, 75, 82, 84, 85, 90, 100, 102, 105, 119, 123, 125, 126, 140, 150, 153, 164, 170, 175, 180, 204, 205, 210, 225, 238, 246, 250, 252, 255, 287, 300, 306, 315, 340, 350, 357, 369, 375, 410, 420, 425, 450, 476, 492, 500, 510, 525, 574, 595, 612, 615, 630, 697, 700, 714, 738, 750, 765, 820, 850, 861, 875, 900, 1020, 1025, 1050, 1071, 1125, 1148, 1190, 1230, 1260, 1275, 1394, 1428, 1435, 1476, 1500, 1530, 1575, 1700, 1722, 1750, 1785, 1845, 2050, 2091, 2100, 2125, 2142, 2250, 2380, 2460, 2550, 2583, 2625, 2788, 2870, 2975, 3060, 3075, 3150, 3444, 3485, 3500, 3570, 3690, 3825, 4100, 4182, 4250, 4284, 4305, 4500, 4879, 5100, 5125, 5166, 5250, 5355, 5740, 5950, 6150, 6273, 6300, 6375, 6970, 7140, 7175, 7380, 7650, 7875, 8364, 8500, 8610, 8925, 9225, 9758, 10250, 10332, 10455, 10500, 10710, 11900, 12300, 12546, 12750, 12915, 13940, 14350, 14637, 14875, 15300, 15375, 15750, 17220, 17425, 17850, 18450, 19125, 19516, 20500, 20910, 21420, 21525, 24395, 25092, 25500, 25830, 26775, 28700, 29274, 29750, 30750, 31365, 31500, 34850, 35700, 35875, 36900, 38250, 41820, 43050, 43911, 44625, 46125, 48790, 51660, 52275, 53550, 58548, 59500, 61500, 62730, 64575, 69700, 71750, 73185, 76500, 86100, 87125, 87822, 89250, 92250, 97580, 104550, 107100, 107625, 121975, 125460, 129150, 133875, 143500, 146370, 156825, 174250, 175644, 178500, 184500, 209100, 215250, 219555, 243950, 258300, 261375, 267750, 292740, 313650, 322875, 348500, 365925, 430500, 439110, 487900, 522750, 535500, 609875, 627300, 645750, 731850, 784125, 878220, 1045500, 1097775, 1219750, 1291500, 1463700, 1568250, 1829625, 2195550, 2439500, 3136500, 3659250, 4391100, 5488875, 7318500, 10977750, 21955500]

約数ペア:

[(1, 21955500), (2, 10977750), (3, 7318500), (4, 5488875), (5, 4391100), (6, 3659250), (7, 3136500), (9, 2439500), (10, 2195550), (12, 1829625), (14, 1568250), (15, 1463700), (17, 1291500), (18, 1219750), (20, 1097775), (21, 1045500), (25, 878220), (28, 784125), (30, 731850), (34, 645750), (35, 627300), (36, 609875), (41, 535500), (42, 522750), (45, 487900), (50, 439110), (51, 430500), (60, 365925), (63, 348500), (68, 322875), (70, 313650), (75, 292740), (82, 267750), (84, 261375), (85, 258300), (90, 243950), (100, 219555), (102, 215250), (105, 209100), (119, 184500), (123, 178500), (125, 175644), (126, 174250), (140, 156825), (150, 146370), (153, 143500), (164, 133875), (170, 129150), (175, 125460), (180, 121975), (204, 107625), (205, 107100), (210, 104550), (225, 97580), (238, 92250), (246, 89250), (250, 87822), (252, 87125), (255, 86100), (287, 76500), (300, 73185), (306, 71750), (315, 69700), (340, 64575), (350, 62730), (357, 61500), (369, 59500), (375, 58548), (410, 53550), (420, 52275), (425, 51660), (450, 48790), (476, 46125), (492, 44625), (500, 43911), (510, 43050), (525, 41820), (574, 38250), (595, 36900), (612, 35875), (615, 35700), (630, 34850), (697, 31500), (700, 31365), (714, 30750), (738, 29750), (750, 29274), (765, 28700), (820, 26775), (850, 25830), (861, 25500), (875, 25092), (900, 24395), (1020, 21525), (1025, 21420), (1050, 20910), (1071, 20500), (1125, 19516), (1148, 19125), (1190, 18450), (1230, 17850), (1260, 17425), (1275, 17220), (1394, 15750), (1428, 15375), (1435, 15300), (1476, 14875), (1500, 14637), (1530, 14350), (1575, 13940), (1700, 12915), (1722, 12750), (1750, 12546), (1785, 12300), (1845, 11900), (2050, 10710), (2091, 10500), (2100, 10455), (2125, 10332), (2142, 10250), (2250, 9758), (2380, 9225), (2460, 8925), (2550, 8610), (2583, 8500), (2625, 8364), (2788, 7875), (2870, 7650), (2975, 7380), (3060, 7175), (3075, 7140), (3150, 6970), (3444, 6375), (3485, 6300), (3500, 6273), (3570, 6150), (3690, 5950), (3825, 5740), (4100, 5355), (4182, 5250), (4250, 5166), (4284, 5125), (4305, 5100), (4500, 4879)]