21996570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2647}}^1$

素因数の和:2934

約数の個数: 32

約数和(自身を含む): 53002368

約数和(自身を除く): 31005798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2647, 2770, 4155, 5294, 7941, 8310, 13235, 15882, 26470, 39705, 79410, 733219, 1466438, 2199657, 3666095, 4399314, 7332190, 10998285, 21996570]

約数ペア:

[(1, 21996570), (2, 10998285), (3, 7332190), (5, 4399314), (6, 3666095), (10, 2199657), (15, 1466438), (30, 733219), (277, 79410), (554, 39705), (831, 26470), (1385, 15882), (1662, 13235), (2647, 8310), (2770, 7941), (4155, 5294)]