21662100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 71245440

約数和(自身を除く): 49583340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 71, 75, 90, 100, 108, 113, 135, 142, 150, 180, 213, 225, 226, 270, 284, 300, 339, 355, 426, 450, 452, 540, 565, 639, 675, 678, 710, 852, 900, 1017, 1065, 1130, 1278, 1350, 1356, 1420, 1695, 1775, 1917, 2034, 2130, 2260, 2556, 2700, 2825, 3051, 3195, 3390, 3550, 3834, 4068, 4260, 5085, 5325, 5650, 6102, 6390, 6780, 7100, 7668, 8023, 8475, 9585, 10170, 10650, 11300, 12204, 12780, 15255, 15975, 16046, 16950, 19170, 20340, 21300, 24069, 25425, 30510, 31950, 32092, 33900, 38340, 40115, 47925, 48138, 50850, 61020, 63900, 72207, 76275, 80230, 95850, 96276, 101700, 120345, 144414, 152550, 160460, 191700, 200575, 216621, 240690, 288828, 305100, 361035, 401150, 433242, 481380, 601725, 722070, 802300, 866484, 1083105, 1203450, 1444140, 1805175, 2166210, 2406900, 3610350, 4332420, 5415525, 7220700, 10831050, 21662100]

約数ペア:

[(1, 21662100), (2, 10831050), (3, 7220700), (4, 5415525), (5, 4332420), (6, 3610350), (9, 2406900), (10, 2166210), (12, 1805175), (15, 1444140), (18, 1203450), (20, 1083105), (25, 866484), (27, 802300), (30, 722070), (36, 601725), (45, 481380), (50, 433242), (54, 401150), (60, 361035), (71, 305100), (75, 288828), (90, 240690), (100, 216621), (108, 200575), (113, 191700), (135, 160460), (142, 152550), (150, 144414), (180, 120345), (213, 101700), (225, 96276), (226, 95850), (270, 80230), (284, 76275), (300, 72207), (339, 63900), (355, 61020), (426, 50850), (450, 48138), (452, 47925), (540, 40115), (565, 38340), (639, 33900), (675, 32092), (678, 31950), (710, 30510), (852, 25425), (900, 24069), (1017, 21300), (1065, 20340), (1130, 19170), (1278, 16950), (1350, 16046), (1356, 15975), (1420, 15255), (1695, 12780), (1775, 12204), (1917, 11300), (2034, 10650), (2130, 10170), (2260, 9585), (2556, 8475), (2700, 8023), (2825, 7668), (3051, 7100), (3195, 6780), (3390, 6390), (3550, 6102), (3834, 5650), (4068, 5325), (4260, 5085)]