21000985400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{9067}}^1$

素因数の和:9433

約数の個数: 96

約数和(自身を含む): 50312709840

約数和(自身を除く): 29311724440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 313, 370, 626, 740, 925, 1252, 1480, 1565, 1850, 2504, 3130, 3700, 6260, 7400, 7825, 9067, 11581, 12520, 15650, 18134, 23162, 31300, 36268, 45335, 46324, 57905, 62600, 72536, 90670, 92648, 115810, 181340, 226675, 231620, 289525, 335479, 362680, 453350, 463240, 579050, 670958, 906700, 1158100, 1341916, 1677395, 1813400, 2316200, 2683832, 2837971, 3354790, 5675942, 6709580, 8386975, 11351884, 13419160, 14189855, 16773950, 22703768, 28379710, 33547900, 56759420, 67095800, 70949275, 105004927, 113518840, 141898550, 210009854, 283797100, 420019708, 525024635, 567594200, 840039416, 1050049270, 2100098540, 2625123175, 4200197080, 5250246350, 10500492700, 21000985400]

約数ペア:

[(1, 21000985400), (2, 10500492700), (4, 5250246350), (5, 4200197080), (8, 2625123175), (10, 2100098540), (20, 1050049270), (25, 840039416), (37, 567594200), (40, 525024635), (50, 420019708), (74, 283797100), (100, 210009854), (148, 141898550), (185, 113518840), (200, 105004927), (296, 70949275), (313, 67095800), (370, 56759420), (626, 33547900), (740, 28379710), (925, 22703768), (1252, 16773950), (1480, 14189855), (1565, 13419160), (1850, 11351884), (2504, 8386975), (3130, 6709580), (3700, 5675942), (6260, 3354790), (7400, 2837971), (7825, 2683832), (9067, 2316200), (11581, 1813400), (12520, 1677395), (15650, 1341916), (18134, 1158100), (23162, 906700), (31300, 670958), (36268, 579050), (45335, 463240), (46324, 453350), (57905, 362680), (62600, 335479), (72536, 289525), (90670, 231620), (92648, 226675), (115810, 181340)]