21155022

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 52640640

約数和(自身を除く): 31485618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 379, 443, 758, 886, 1137, 1329, 2274, 2653, 2658, 3101, 3411, 3987, 5306, 6202, 6822, 7959, 7974, 9303, 15918, 18606, 23877, 27909, 47754, 55818, 167897, 335794, 503691, 1007382, 1175279, 1511073, 2350558, 3022146, 3525837, 7051674, 10577511, 21155022]

約数ペア:

[(1, 21155022), (2, 10577511), (3, 7051674), (6, 3525837), (7, 3022146), (9, 2350558), (14, 1511073), (18, 1175279), (21, 1007382), (42, 503691), (63, 335794), (126, 167897), (379, 55818), (443, 47754), (758, 27909), (886, 23877), (1137, 18606), (1329, 15918), (2274, 9303), (2653, 7974), (2658, 7959), (3101, 6822), (3411, 6202), (3987, 5306)]