21486008

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16477}}^1$

素因数の和:16646

約数の個数: 16

約数和(自身を含む): 40535880

約数和(自身を除く): 19049872

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16477, 32954, 65908, 131816, 2685751, 5371502, 10743004, 21486008]

約数ペア:

[(1, 21486008), (2, 10743004), (4, 5371502), (8, 2685751), (163, 131816), (326, 65908), (652, 32954), (1304, 16477)]