21350212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6959}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 19574588

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6959, 13918, 27836, 90467, 180934, 361868, 410581, 821162, 1642324, 5337553, 10675106, 21350212]

約数ペア:

[(1, 21350212), (2, 10675106), (4, 5337553), (13, 1642324), (26, 821162), (52, 410581), (59, 361868), (118, 180934), (236, 90467), (767, 27836), (1534, 13918), (3068, 6959)]