21270604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 39559968

約数和(自身を除く): 18289364

約数列:

[1, 2, 4, 17, 34, 68, 421, 743, 842, 1486, 1684, 2972, 7157, 12631, 14314, 25262, 28628, 50524, 312803, 625606, 1251212, 5317651, 10635302, 21270604]

約数ペア:

[(1, 21270604), (2, 10635302), (4, 5317651), (17, 1251212), (34, 625606), (68, 312803), (421, 50524), (743, 28628), (842, 25262), (1486, 14314), (1684, 12631), (2972, 7157)]