2521491

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 4145040

約数和(自身を除く): 1623549

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1009, 2499, 3027, 7063, 17153, 21189, 49441, 51459, 120071, 148323, 360213, 840497, 2521491]

約数ペア:

[(1, 2521491), (3, 840497), (7, 360213), (17, 148323), (21, 120071), (49, 51459), (51, 49441), (119, 21189), (147, 17153), (357, 7063), (833, 3027), (1009, 2499)]