21820464

素因数分解:

$2^4\times 3^2\times {\mathrm{151531}}^1$

素因数の和:151545

約数の個数: 30

約数和(自身を含む): 61067396

約数和(自身を除く): 39246932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151531, 303062, 454593, 606124, 909186, 1212248, 1363779, 1818372, 2424496, 2727558, 3636744, 5455116, 7273488, 10910232, 21820464]

約数ペア:

[(1, 21820464), (2, 10910232), (3, 7273488), (4, 5455116), (6, 3636744), (8, 2727558), (9, 2424496), (12, 1818372), (16, 1363779), (18, 1212248), (24, 909186), (36, 606124), (48, 454593), (72, 303062), (144, 151531)]