21310956

素因数分解:

$2^2\times 3^2\times {\mathrm{367}}^1\times {\mathrm{1613}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 54049632

約数和(自身を除く): 32738676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 367, 734, 1101, 1468, 1613, 2202, 3226, 3303, 4404, 4839, 6452, 6606, 9678, 13212, 14517, 19356, 29034, 58068, 591971, 1183942, 1775913, 2367884, 3551826, 5327739, 7103652, 10655478, 21310956]

約数ペア:

[(1, 21310956), (2, 10655478), (3, 7103652), (4, 5327739), (6, 3551826), (9, 2367884), (12, 1775913), (18, 1183942), (36, 591971), (367, 58068), (734, 29034), (1101, 19356), (1468, 14517), (1613, 13212), (2202, 9678), (3226, 6606), (3303, 6452), (4404, 4839)]