21451518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6373}}^1$

素因数の和:6409

約数の個数: 48

約数和(自身を含む): 53694576

約数和(自身を除く): 32243058

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 306, 374, 561, 1122, 1683, 3366, 6373, 12746, 19119, 38238, 57357, 70103, 108341, 114714, 140206, 210309, 216682, 325023, 420618, 630927, 650046, 975069, 1191751, 1261854, 1950138, 2383502, 3575253, 7150506, 10725759, 21451518]

約数ペア:

[(1, 21451518), (2, 10725759), (3, 7150506), (6, 3575253), (9, 2383502), (11, 1950138), (17, 1261854), (18, 1191751), (22, 975069), (33, 650046), (34, 630927), (51, 420618), (66, 325023), (99, 216682), (102, 210309), (153, 140206), (187, 114714), (198, 108341), (306, 70103), (374, 57357), (561, 38238), (1122, 19119), (1683, 12746), (3366, 6373)]