21791060

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 46698708

約数和(自身を除く): 24907648

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 313, 590, 626, 1180, 1252, 1565, 3130, 3481, 6260, 6962, 13924, 17405, 18467, 34810, 36934, 69620, 73868, 92335, 184670, 369340, 1089553, 2179106, 4358212, 5447765, 10895530, 21791060]

約数ペア:

[(1, 21791060), (2, 10895530), (4, 5447765), (5, 4358212), (10, 2179106), (20, 1089553), (59, 369340), (118, 184670), (236, 92335), (295, 73868), (313, 69620), (590, 36934), (626, 34810), (1180, 18467), (1252, 17405), (1565, 13924), (3130, 6962), (3481, 6260)]