21251024

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35897}}^1$

素因数の和:35942

約数の個数: 20

約数和(自身を含む): 42287844

約数和(自身を除く): 21036820

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35897, 71794, 143588, 287176, 574352, 1328189, 2656378, 5312756, 10625512, 21251024]

約数ペア:

[(1, 21251024), (2, 10625512), (4, 5312756), (8, 2656378), (16, 1328189), (37, 574352), (74, 287176), (148, 143588), (296, 71794), (592, 35897)]