21906101378

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42289771}}^1$

素因数の和:42289817

約数の個数: 16

約数和(自身を含む): 38568272064

約数和(自身を除く): 16662170686

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 42289771, 84579542, 296028397, 592056794, 1564721527, 3129443054, 10953050689, 21906101378]

約数ペア:

[(1, 21906101378), (2, 10953050689), (7, 3129443054), (14, 1564721527), (37, 592056794), (74, 296028397), (259, 84579542), (518, 42289771)]