21906404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24781}}^1$

素因数の和:24815

約数の個数: 24

約数和(自身を含む): 43715448

約数和(自身を除く): 21809044

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 24781, 49562, 99124, 322153, 421277, 644306, 842554, 1288612, 1685108, 5476601, 10953202, 21906404]

約数ペア:

[(1, 21906404), (2, 10953202), (4, 5476601), (13, 1685108), (17, 1288612), (26, 842554), (34, 644306), (52, 421277), (68, 322153), (221, 99124), (442, 49562), (884, 24781)]