21529956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15077}}^1$

素因数の和:15108

約数の個数: 48

約数和(自身を含む): 60794496

約数和(自身を除く): 39264540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15077, 30154, 45231, 60308, 90462, 105539, 180924, 211078, 256309, 316617, 422156, 512618, 633234, 768927, 1025236, 1266468, 1537854, 1794163, 3075708, 3588326, 5382489, 7176652, 10764978, 21529956]

約数ペア:

[(1, 21529956), (2, 10764978), (3, 7176652), (4, 5382489), (6, 3588326), (7, 3075708), (12, 1794163), (14, 1537854), (17, 1266468), (21, 1025236), (28, 768927), (34, 633234), (42, 512618), (51, 422156), (68, 316617), (84, 256309), (102, 211078), (119, 180924), (204, 105539), (238, 90462), (357, 60308), (476, 45231), (714, 30154), (1428, 15077)]