21136731382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{21977}}^1$

素因数の和:22584

約数の個数: 32

約数和(自身を含む): 34692888384

約数和(自身を除く): 13556157002

約数列:

[1, 2, 13, 26, 71, 142, 521, 923, 1042, 1846, 6773, 13546, 21977, 36991, 43954, 73982, 285701, 480883, 571402, 961766, 1560367, 3120734, 11450017, 20284771, 22900034, 40569542, 148850221, 297700442, 812951207, 1625902414, 10568365691, 21136731382]

約数ペア:

[(1, 21136731382), (2, 10568365691), (13, 1625902414), (26, 812951207), (71, 297700442), (142, 148850221), (521, 40569542), (923, 22900034), (1042, 20284771), (1846, 11450017), (6773, 3120734), (13546, 1560367), (21977, 961766), (36991, 571402), (43954, 480883), (73982, 285701)]