21853612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6287}}^1$

素因数の和:6381

約数の個数: 24

約数和(自身を含む): 42255360

約数和(自身を除く): 20401748

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6287, 12574, 25148, 69157, 138314, 276628, 496673, 993346, 1986692, 5463403, 10926806, 21853612]

約数ペア:

[(1, 21853612), (2, 10926806), (4, 5463403), (11, 1986692), (22, 993346), (44, 496673), (79, 276628), (158, 138314), (316, 69157), (869, 25148), (1738, 12574), (3476, 6287)]