21096738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 49827960

約数和(自身を除く): 28731222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 1013, 1157, 1602, 2026, 2314, 3039, 3471, 6078, 6942, 9117, 10413, 13169, 18234, 20826, 26338, 39507, 79014, 90157, 118521, 180314, 237042, 270471, 540942, 811413, 1172041, 1622826, 2344082, 3516123, 7032246, 10548369, 21096738]

約数ペア:

[(1, 21096738), (2, 10548369), (3, 7032246), (6, 3516123), (9, 2344082), (13, 1622826), (18, 1172041), (26, 811413), (39, 540942), (78, 270471), (89, 237042), (117, 180314), (178, 118521), (234, 90157), (267, 79014), (534, 39507), (801, 26338), (1013, 20826), (1157, 18234), (1602, 13169), (2026, 10413), (2314, 9117), (3039, 6942), (3471, 6078)]