21775194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3677}}^1$

素因数の和:3739

約数の個数: 48

約数和(自身を含む): 55081728

約数和(自身を除く): 33306534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3677, 5922, 7354, 11031, 22062, 25739, 33093, 51478, 66186, 77217, 154434, 172819, 231651, 345638, 463302, 518457, 1036914, 1209733, 1555371, 2419466, 3110742, 3629199, 7258398, 10887597, 21775194]

約数ペア:

[(1, 21775194), (2, 10887597), (3, 7258398), (6, 3629199), (7, 3110742), (9, 2419466), (14, 1555371), (18, 1209733), (21, 1036914), (42, 518457), (47, 463302), (63, 345638), (94, 231651), (126, 172819), (141, 154434), (282, 77217), (329, 66186), (423, 51478), (658, 33093), (846, 25739), (987, 22062), (1974, 11031), (2961, 7354), (3677, 5922)]