21372356

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1381}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 38657304

約数和(自身を除く): 17284948

約数列:

[1, 2, 4, 53, 73, 106, 146, 212, 292, 1381, 2762, 3869, 5524, 7738, 15476, 73193, 100813, 146386, 201626, 292772, 403252, 5343089, 10686178, 21372356]

約数ペア:

[(1, 21372356), (2, 10686178), (4, 5343089), (53, 403252), (73, 292772), (106, 201626), (146, 146386), (212, 100813), (292, 73193), (1381, 15476), (2762, 7738), (3869, 5524)]