21250926

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^2\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 36

約数和(自身を含む): 46918872

約数和(自身を除く): 25667946

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 263, 402, 526, 603, 789, 1206, 1578, 2367, 4489, 4734, 8978, 13467, 17621, 26934, 35242, 40401, 52863, 80802, 105726, 158589, 317178, 1180607, 2361214, 3541821, 7083642, 10625463, 21250926]

約数ペア:

[(1, 21250926), (2, 10625463), (3, 7083642), (6, 3541821), (9, 2361214), (18, 1180607), (67, 317178), (134, 158589), (201, 105726), (263, 80802), (402, 52863), (526, 40401), (603, 35242), (789, 26934), (1206, 17621), (1578, 13467), (2367, 8978), (4489, 4734)]