21974886

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1487}}^1$

素因数の和:2316

約数の個数: 24

約数和(自身を含む): 47702304

約数和(自身を除く): 25727418

約数列:

[1, 2, 3, 6, 9, 18, 821, 1487, 1642, 2463, 2974, 4461, 4926, 7389, 8922, 13383, 14778, 26766, 1220827, 2441654, 3662481, 7324962, 10987443, 21974886]

約数ペア:

[(1, 21974886), (2, 10987443), (3, 7324962), (6, 3662481), (9, 2441654), (18, 1220827), (821, 26766), (1487, 14778), (1642, 13383), (2463, 8922), (2974, 7389), (4461, 4926)]