21705072

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^2\times {\mathrm{269}}^1$

素因数の和:362

約数の個数: 60

約数和(自身を含む): 57686040

約数和(自身を除く): 35980968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 269, 328, 492, 538, 656, 807, 984, 1076, 1614, 1681, 1968, 2152, 3228, 3362, 4304, 5043, 6456, 6724, 10086, 11029, 12912, 13448, 20172, 22058, 26896, 33087, 40344, 44116, 66174, 80688, 88232, 132348, 176464, 264696, 452189, 529392, 904378, 1356567, 1808756, 2713134, 3617512, 5426268, 7235024, 10852536, 21705072]

約数ペア:

[(1, 21705072), (2, 10852536), (3, 7235024), (4, 5426268), (6, 3617512), (8, 2713134), (12, 1808756), (16, 1356567), (24, 904378), (41, 529392), (48, 452189), (82, 264696), (123, 176464), (164, 132348), (246, 88232), (269, 80688), (328, 66174), (492, 44116), (538, 40344), (656, 33087), (807, 26896), (984, 22058), (1076, 20172), (1614, 13448), (1681, 12912), (1968, 11029), (2152, 10086), (3228, 6724), (3362, 6456), (4304, 5043)]