21167357945

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1\times {\mathrm{587}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 25930800000

約数和(自身を除く): 4763442055

約数列:

[1, 5, 97, 149, 485, 499, 587, 745, 2495, 2935, 14453, 48403, 56939, 72265, 74351, 87463, 242015, 284695, 292913, 371755, 437315, 1464565, 7212047, 8483911, 28412561, 36060235, 42419555, 43644037, 142062805, 218220185, 4233471589, 21167357945]

約数ペア:

[(1, 21167357945), (5, 4233471589), (97, 218220185), (149, 142062805), (485, 43644037), (499, 42419555), (587, 36060235), (745, 28412561), (2495, 8483911), (2935, 7212047), (14453, 1464565), (48403, 437315), (56939, 371755), (72265, 292913), (74351, 284695), (87463, 242015)]