21659700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 68995584

約数和(自身を除く): 47335884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 137, 150, 155, 170, 186, 204, 255, 274, 300, 310, 340, 372, 411, 425, 465, 510, 527, 548, 620, 685, 775, 822, 850, 930, 1020, 1054, 1275, 1370, 1550, 1581, 1644, 1700, 1860, 2055, 2108, 2325, 2329, 2550, 2635, 2740, 3100, 3162, 3425, 4110, 4247, 4650, 4658, 5100, 5270, 6324, 6850, 6987, 7905, 8220, 8494, 9300, 9316, 10275, 10540, 11645, 12741, 13175, 13700, 13974, 15810, 16988, 20550, 21235, 23290, 25482, 26350, 27948, 31620, 34935, 39525, 41100, 42470, 46580, 50964, 52700, 58225, 63705, 69870, 72199, 79050, 84940, 106175, 116450, 127410, 139740, 144398, 158100, 174675, 212350, 216597, 232900, 254820, 288796, 318525, 349350, 360995, 424700, 433194, 637050, 698700, 721990, 866388, 1082985, 1274100, 1443980, 1804975, 2165970, 3609950, 4331940, 5414925, 7219900, 10829850, 21659700]

約数ペア:

[(1, 21659700), (2, 10829850), (3, 7219900), (4, 5414925), (5, 4331940), (6, 3609950), (10, 2165970), (12, 1804975), (15, 1443980), (17, 1274100), (20, 1082985), (25, 866388), (30, 721990), (31, 698700), (34, 637050), (50, 433194), (51, 424700), (60, 360995), (62, 349350), (68, 318525), (75, 288796), (85, 254820), (93, 232900), (100, 216597), (102, 212350), (124, 174675), (137, 158100), (150, 144398), (155, 139740), (170, 127410), (186, 116450), (204, 106175), (255, 84940), (274, 79050), (300, 72199), (310, 69870), (340, 63705), (372, 58225), (411, 52700), (425, 50964), (465, 46580), (510, 42470), (527, 41100), (548, 39525), (620, 34935), (685, 31620), (775, 27948), (822, 26350), (850, 25482), (930, 23290), (1020, 21235), (1054, 20550), (1275, 16988), (1370, 15810), (1550, 13974), (1581, 13700), (1644, 13175), (1700, 12741), (1860, 11645), (2055, 10540), (2108, 10275), (2325, 9316), (2329, 9300), (2550, 8494), (2635, 8220), (2740, 7905), (3100, 6987), (3162, 6850), (3425, 6324), (4110, 5270), (4247, 5100), (4650, 4658)]