21719322

素因数分解:

$2^1\times 3^2\times {\mathrm{659}}^1\times {\mathrm{1831}}^1$

素因数の和:2498

約数の個数: 24

約数和(自身を含む): 47155680

約数和(自身を除く): 25436358

約数列:

[1, 2, 3, 6, 9, 18, 659, 1318, 1831, 1977, 3662, 3954, 5493, 5931, 10986, 11862, 16479, 32958, 1206629, 2413258, 3619887, 7239774, 10859661, 21719322]

約数ペア:

[(1, 21719322), (2, 10859661), (3, 7239774), (6, 3619887), (9, 2413258), (18, 1206629), (659, 32958), (1318, 16479), (1831, 11862), (1977, 10986), (3662, 5931), (3954, 5493)]