21241350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3631}}^1$

素因数の和:3662

約数の個数: 72

約数和(自身を含む): 61475232

約数和(自身を除く): 40233882

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3631, 5850, 7262, 10893, 18155, 21786, 32679, 36310, 47203, 54465, 65358, 90775, 94406, 108930, 141609, 163395, 181550, 236015, 272325, 283218, 326790, 424827, 472030, 544650, 708045, 816975, 849654, 1180075, 1416090, 1633950, 2124135, 2360150, 3540225, 4248270, 7080450, 10620675, 21241350]

約数ペア:

[(1, 21241350), (2, 10620675), (3, 7080450), (5, 4248270), (6, 3540225), (9, 2360150), (10, 2124135), (13, 1633950), (15, 1416090), (18, 1180075), (25, 849654), (26, 816975), (30, 708045), (39, 544650), (45, 472030), (50, 424827), (65, 326790), (75, 283218), (78, 272325), (90, 236015), (117, 181550), (130, 163395), (150, 141609), (195, 108930), (225, 94406), (234, 90775), (325, 65358), (390, 54465), (450, 47203), (585, 36310), (650, 32679), (975, 21786), (1170, 18155), (1950, 10893), (2925, 7262), (3631, 5850)]