21000658190

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3079}}^1\times {\mathrm{3571}}^1$

素因数の和:6848

約数の個数: 32

約数和(自身を含む): 38022082560

約数和(自身を除く): 17021424370

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 3079, 3571, 6158, 7142, 15395, 17855, 30790, 35710, 588089, 682061, 1176178, 1364122, 2940445, 3410305, 5880890, 6820610, 10995109, 21990218, 54975545, 109951090, 2100065819, 4200131638, 10500329095, 21000658190]

約数ペア:

[(1, 21000658190), (2, 10500329095), (5, 4200131638), (10, 2100065819), (191, 109951090), (382, 54975545), (955, 21990218), (1910, 10995109), (3079, 6820610), (3571, 5880890), (6158, 3410305), (7142, 2940445), (15395, 1364122), (17855, 1176178), (30790, 682061), (35710, 588089)]