21301020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9103}}^1$

素因数の和:9131

約数の個数: 72

約数和(自身を含む): 69590976

約数和(自身を除く): 48289956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9103, 18206, 27309, 36412, 45515, 54618, 81927, 91030, 109236, 118339, 136545, 163854, 182060, 236678, 273090, 327708, 355017, 409635, 473356, 546180, 591695, 710034, 819270, 1065051, 1183390, 1420068, 1638540, 1775085, 2130102, 2366780, 3550170, 4260204, 5325255, 7100340, 10650510, 21301020]

約数ペア:

[(1, 21301020), (2, 10650510), (3, 7100340), (4, 5325255), (5, 4260204), (6, 3550170), (9, 2366780), (10, 2130102), (12, 1775085), (13, 1638540), (15, 1420068), (18, 1183390), (20, 1065051), (26, 819270), (30, 710034), (36, 591695), (39, 546180), (45, 473356), (52, 409635), (60, 355017), (65, 327708), (78, 273090), (90, 236678), (117, 182060), (130, 163854), (156, 136545), (180, 118339), (195, 109236), (234, 91030), (260, 81927), (390, 54618), (468, 45515), (585, 36412), (780, 27309), (1170, 18206), (2340, 9103)]