21810378

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 23650422

約数列:

[1, 2, 3, 6, 29, 58, 87, 163, 174, 326, 489, 769, 978, 1538, 2307, 4614, 4727, 9454, 14181, 22301, 28362, 44602, 66903, 125347, 133806, 250694, 376041, 752082, 3635063, 7270126, 10905189, 21810378]

約数ペア:

[(1, 21810378), (2, 10905189), (3, 7270126), (6, 3635063), (29, 752082), (58, 376041), (87, 250694), (163, 133806), (174, 125347), (326, 66903), (489, 44602), (769, 28362), (978, 22301), (1538, 14181), (2307, 9454), (4614, 4727)]