21277848

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12487}}^1$

素因数の和:12567

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 32670312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12487, 24974, 37461, 49948, 74922, 99896, 149844, 299688, 886577, 1773154, 2659731, 3546308, 5319462, 7092616, 10638924, 21277848]

約数ペア:

[(1, 21277848), (2, 10638924), (3, 7092616), (4, 5319462), (6, 3546308), (8, 2659731), (12, 1773154), (24, 886577), (71, 299688), (142, 149844), (213, 99896), (284, 74922), (426, 49948), (568, 37461), (852, 24974), (1704, 12487)]