21468798

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4033

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 30816162

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3989, 5382, 7978, 11967, 23934, 35901, 51857, 71802, 91747, 103714, 155571, 183494, 275241, 311142, 466713, 550482, 825723, 933426, 1192711, 1651446, 2385422, 3578133, 7156266, 10734399, 21468798]

約数ペア:

[(1, 21468798), (2, 10734399), (3, 7156266), (6, 3578133), (9, 2385422), (13, 1651446), (18, 1192711), (23, 933426), (26, 825723), (39, 550482), (46, 466713), (69, 311142), (78, 275241), (117, 183494), (138, 155571), (207, 103714), (234, 91747), (299, 71802), (414, 51857), (598, 35901), (897, 23934), (1794, 11967), (2691, 7978), (3989, 5382)]