21352956

素因数分解:

$2^2\times 3^1\times {\mathrm{947}}^1\times {\mathrm{1879}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 49902720

約数和(自身を除く): 28549764

約数列:

[1, 2, 3, 4, 6, 12, 947, 1879, 1894, 2841, 3758, 3788, 5637, 5682, 7516, 11274, 11364, 22548, 1779413, 3558826, 5338239, 7117652, 10676478, 21352956]

約数ペア:

[(1, 21352956), (2, 10676478), (3, 7117652), (4, 5338239), (6, 3558826), (12, 1779413), (947, 22548), (1879, 11364), (1894, 11274), (2841, 7516), (3758, 5682), (3788, 5637)]