21006906188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{2801}}^1\times {\mathrm{110291}}^1$

素因数の和:113113

約数の個数: 24

約数和(自身を含む): 38938811184

約数和(自身を除く): 17931904996

約数列:

[1, 2, 4, 17, 34, 68, 2801, 5602, 11204, 47617, 95234, 110291, 190468, 220582, 441164, 1874947, 3749894, 7499788, 308925091, 617850182, 1235700364, 5251726547, 10503453094, 21006906188]

約数ペア:

[(1, 21006906188), (2, 10503453094), (4, 5251726547), (17, 1235700364), (34, 617850182), (68, 308925091), (2801, 7499788), (5602, 3749894), (11204, 1874947), (47617, 441164), (95234, 220582), (110291, 190468)]