21793806

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 51240960

約数和(自身を除く): 29447154

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 277, 279, 282, 423, 554, 558, 831, 837, 846, 1269, 1457, 1662, 1674, 2493, 2538, 2914, 4371, 4986, 7479, 8587, 8742, 13019, 13113, 14958, 17174, 25761, 26038, 26226, 39057, 39339, 51522, 77283, 78114, 78678, 117171, 154566, 231849, 234342, 351513, 403589, 463698, 703026, 807178, 1210767, 2421534, 3632301, 7264602, 10896903, 21793806]

約数ペア:

[(1, 21793806), (2, 10896903), (3, 7264602), (6, 3632301), (9, 2421534), (18, 1210767), (27, 807178), (31, 703026), (47, 463698), (54, 403589), (62, 351513), (93, 234342), (94, 231849), (141, 154566), (186, 117171), (277, 78678), (279, 78114), (282, 77283), (423, 51522), (554, 39339), (558, 39057), (831, 26226), (837, 26038), (846, 25761), (1269, 17174), (1457, 14958), (1662, 13113), (1674, 13019), (2493, 8742), (2538, 8587), (2914, 7479), (4371, 4986)]