21000455470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6501689}}^1$

素因数の和:6501732

約数の個数: 32

約数和(自身を含む): 42130951200

約数和(自身を除く): 21130495730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6501689, 13003378, 32508445, 65016890, 110528713, 123532091, 221057426, 247064182, 552643565, 617660455, 1105287130, 1235320910, 2100045547, 4200091094, 10500227735, 21000455470]

約数ペア:

[(1, 21000455470), (2, 10500227735), (5, 4200091094), (10, 2100045547), (17, 1235320910), (19, 1105287130), (34, 617660455), (38, 552643565), (85, 247064182), (95, 221057426), (170, 123532091), (190, 110528713), (323, 65016890), (646, 32508445), (1615, 13003378), (3230, 6501689)]