21556348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13241}}^1$

素因数の和:13293

約数の個数: 24

約数和(自身を含む): 42268464

約数和(自身を除く): 20712116

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13241, 26482, 52964, 145651, 291302, 489917, 582604, 979834, 1959668, 5389087, 10778174, 21556348]

約数ペア:

[(1, 21556348), (2, 10778174), (4, 5389087), (11, 1959668), (22, 979834), (37, 582604), (44, 489917), (74, 291302), (148, 145651), (407, 52964), (814, 26482), (1628, 13241)]