21356046

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 49549968

約数和(自身を除く): 28193922

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 101, 102, 153, 202, 303, 306, 606, 691, 909, 1382, 1717, 1818, 2073, 3434, 4146, 5151, 6219, 10302, 11747, 12438, 15453, 23494, 30906, 35241, 69791, 70482, 105723, 139582, 209373, 211446, 418746, 628119, 1186447, 1256238, 2372894, 3559341, 7118682, 10678023, 21356046]

約数ペア:

[(1, 21356046), (2, 10678023), (3, 7118682), (6, 3559341), (9, 2372894), (17, 1256238), (18, 1186447), (34, 628119), (51, 418746), (101, 211446), (102, 209373), (153, 139582), (202, 105723), (303, 70482), (306, 69791), (606, 35241), (691, 30906), (909, 23494), (1382, 15453), (1717, 12438), (1818, 11747), (2073, 10302), (3434, 6219), (4146, 5151)]