21663228

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41983}}^1$

素因数の和:42033

約数の個数: 24

約数和(自身を含む): 51724288

約数和(自身を除く): 30061060

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41983, 83966, 125949, 167932, 251898, 503796, 1805269, 3610538, 5415807, 7221076, 10831614, 21663228]

約数ペア:

[(1, 21663228), (2, 10831614), (3, 7221076), (4, 5415807), (6, 3610538), (12, 1805269), (43, 503796), (86, 251898), (129, 167932), (172, 125949), (258, 83966), (516, 41983)]