21309750

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 256

約数和(自身を含む): 75479040

約数和(自身を除く): 54169290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 27, 30, 33, 35, 41, 42, 45, 50, 54, 55, 63, 66, 70, 75, 77, 82, 90, 99, 105, 110, 123, 125, 126, 135, 150, 154, 165, 175, 189, 198, 205, 210, 225, 231, 246, 250, 270, 275, 287, 297, 315, 330, 350, 369, 375, 378, 385, 410, 450, 451, 462, 495, 525, 550, 574, 594, 615, 630, 675, 693, 738, 750, 770, 825, 861, 875, 902, 945, 990, 1025, 1050, 1107, 1125, 1155, 1230, 1350, 1353, 1375, 1386, 1435, 1485, 1575, 1650, 1722, 1750, 1845, 1890, 1925, 2050, 2079, 2214, 2250, 2255, 2310, 2475, 2583, 2625, 2706, 2750, 2870, 2970, 3075, 3150, 3157, 3375, 3465, 3690, 3850, 4059, 4125, 4158, 4305, 4510, 4725, 4950, 5125, 5166, 5250, 5535, 5775, 6150, 6314, 6750, 6765, 6930, 7175, 7425, 7749, 7875, 8118, 8250, 8610, 9225, 9450, 9471, 9625, 10250, 10395, 11070, 11275, 11550, 12177, 12375, 12915, 13530, 14350, 14850, 15375, 15498, 15750, 15785, 17325, 18450, 18942, 19250, 20295, 20790, 21525, 22550, 23625, 24354, 24750, 25830, 27675, 28413, 28875, 30750, 31570, 33825, 34650, 35875, 37125, 38745, 40590, 43050, 46125, 47250, 47355, 51975, 55350, 56375, 56826, 57750, 60885, 64575, 67650, 71750, 74250, 77490, 78925, 85239, 86625, 92250, 94710, 101475, 103950, 107625, 112750, 121770, 129150, 138375, 142065, 157850, 169125, 170478, 173250, 193725, 202950, 215250, 236775, 259875, 276750, 284130, 304425, 322875, 338250, 387450, 394625, 426195, 473550, 507375, 519750, 608850, 645750, 710325, 789250, 852390, 968625, 1014750, 1183875, 1420650, 1522125, 1937250, 2130975, 2367750, 3044250, 3551625, 4261950, 7103250, 10654875, 21309750]

約数ペア:

[(1, 21309750), (2, 10654875), (3, 7103250), (5, 4261950), (6, 3551625), (7, 3044250), (9, 2367750), (10, 2130975), (11, 1937250), (14, 1522125), (15, 1420650), (18, 1183875), (21, 1014750), (22, 968625), (25, 852390), (27, 789250), (30, 710325), (33, 645750), (35, 608850), (41, 519750), (42, 507375), (45, 473550), (50, 426195), (54, 394625), (55, 387450), (63, 338250), (66, 322875), (70, 304425), (75, 284130), (77, 276750), (82, 259875), (90, 236775), (99, 215250), (105, 202950), (110, 193725), (123, 173250), (125, 170478), (126, 169125), (135, 157850), (150, 142065), (154, 138375), (165, 129150), (175, 121770), (189, 112750), (198, 107625), (205, 103950), (210, 101475), (225, 94710), (231, 92250), (246, 86625), (250, 85239), (270, 78925), (275, 77490), (287, 74250), (297, 71750), (315, 67650), (330, 64575), (350, 60885), (369, 57750), (375, 56826), (378, 56375), (385, 55350), (410, 51975), (450, 47355), (451, 47250), (462, 46125), (495, 43050), (525, 40590), (550, 38745), (574, 37125), (594, 35875), (615, 34650), (630, 33825), (675, 31570), (693, 30750), (738, 28875), (750, 28413), (770, 27675), (825, 25830), (861, 24750), (875, 24354), (902, 23625), (945, 22550), (990, 21525), (1025, 20790), (1050, 20295), (1107, 19250), (1125, 18942), (1155, 18450), (1230, 17325), (1350, 15785), (1353, 15750), (1375, 15498), (1386, 15375), (1435, 14850), (1485, 14350), (1575, 13530), (1650, 12915), (1722, 12375), (1750, 12177), (1845, 11550), (1890, 11275), (1925, 11070), (2050, 10395), (2079, 10250), (2214, 9625), (2250, 9471), (2255, 9450), (2310, 9225), (2475, 8610), (2583, 8250), (2625, 8118), (2706, 7875), (2750, 7749), (2870, 7425), (2970, 7175), (3075, 6930), (3150, 6765), (3157, 6750), (3375, 6314), (3465, 6150), (3690, 5775), (3850, 5535), (4059, 5250), (4125, 5166), (4158, 5125), (4305, 4950), (4510, 4725)]