21111642

素因数分解:

$2^1\times 3^2\times {\mathrm{1019}}^1\times {\mathrm{1151}}^1$

素因数の和:2178

約数の個数: 24

約数和(自身を含む): 45826560

約数和(自身を除く): 24714918

約数列:

[1, 2, 3, 6, 9, 18, 1019, 1151, 2038, 2302, 3057, 3453, 6114, 6906, 9171, 10359, 18342, 20718, 1172869, 2345738, 3518607, 7037214, 10555821, 21111642]

約数ペア:

[(1, 21111642), (2, 10555821), (3, 7037214), (6, 3518607), (9, 2345738), (18, 1172869), (1019, 20718), (1151, 18342), (2038, 10359), (2302, 9171), (3057, 6906), (3453, 6114)]