21076872

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51659}}^1$

素因数の和:51685

約数の個数: 32

約数和(自身を含む): 55792800

約数和(自身を除く): 34715928

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51659, 103318, 154977, 206636, 309954, 413272, 619908, 878203, 1239816, 1756406, 2634609, 3512812, 5269218, 7025624, 10538436, 21076872]

約数ペア:

[(1, 21076872), (2, 10538436), (3, 7025624), (4, 5269218), (6, 3512812), (8, 2634609), (12, 1756406), (17, 1239816), (24, 878203), (34, 619908), (51, 413272), (68, 309954), (102, 206636), (136, 154977), (204, 103318), (408, 51659)]