21034851850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{56951}}^1$

素因数の和:57135

約数の個数: 48

約数和(自身を含む): 40041812160

約数和(自身を除く): 19006960310

約数列:

[1, 2, 5, 10, 25, 50, 83, 89, 166, 178, 415, 445, 830, 890, 2075, 2225, 4150, 4450, 7387, 14774, 36935, 56951, 73870, 113902, 184675, 284755, 369350, 569510, 1423775, 2847550, 4726933, 5068639, 9453866, 10137278, 23634665, 25343195, 47269330, 50686390, 118173325, 126715975, 236346650, 253431950, 420697037, 841394074, 2103485185, 4206970370, 10517425925, 21034851850]

約数ペア:

[(1, 21034851850), (2, 10517425925), (5, 4206970370), (10, 2103485185), (25, 841394074), (50, 420697037), (83, 253431950), (89, 236346650), (166, 126715975), (178, 118173325), (415, 50686390), (445, 47269330), (830, 25343195), (890, 23634665), (2075, 10137278), (2225, 9453866), (4150, 5068639), (4450, 4726933), (7387, 2847550), (14774, 1423775), (36935, 569510), (56951, 369350), (73870, 284755), (113902, 184675)]