21258108

素因数分解:

$2^2\times 3^2\times {\mathrm{367}}^1\times {\mathrm{1609}}^1$

素因数の和:1986

約数の個数: 36

約数和(自身を含む): 53915680

約数和(自身を除く): 32657572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 367, 734, 1101, 1468, 1609, 2202, 3218, 3303, 4404, 4827, 6436, 6606, 9654, 13212, 14481, 19308, 28962, 57924, 590503, 1181006, 1771509, 2362012, 3543018, 5314527, 7086036, 10629054, 21258108]

約数ペア:

[(1, 21258108), (2, 10629054), (3, 7086036), (4, 5314527), (6, 3543018), (9, 2362012), (12, 1771509), (18, 1181006), (36, 590503), (367, 57924), (734, 28962), (1101, 19308), (1468, 14481), (1609, 13212), (2202, 9654), (3218, 6606), (3303, 6436), (4404, 4827)]