21167848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5501}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 43905960

約数和(自身を除く): 22738112

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5501, 11002, 22004, 44008, 71513, 143026, 203537, 286052, 407074, 572104, 814148, 1628296, 2645981, 5291962, 10583924, 21167848]

約数ペア:

[(1, 21167848), (2, 10583924), (4, 5291962), (8, 2645981), (13, 1628296), (26, 814148), (37, 572104), (52, 407074), (74, 286052), (104, 203537), (148, 143026), (296, 71513), (481, 44008), (962, 22004), (1924, 11002), (3848, 5501)]