21473031

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2273}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 29689344

約数和(自身を除く): 8216313

約数列:

[1, 3, 47, 67, 141, 201, 2273, 3149, 6819, 9447, 106831, 152291, 320493, 456873, 7157677, 21473031]

約数ペア:

[(1, 21473031), (3, 7157677), (47, 456873), (67, 320493), (141, 152291), (201, 106831), (2273, 9447), (3149, 6819)]