21234508

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16686452

約数列:

[1, 2, 4, 109, 113, 218, 226, 431, 436, 452, 862, 1724, 12317, 24634, 46979, 48703, 49268, 93958, 97406, 187916, 194812, 5308627, 10617254, 21234508]

約数ペア:

[(1, 21234508), (2, 10617254), (4, 5308627), (109, 194812), (113, 187916), (218, 97406), (226, 93958), (431, 49268), (436, 48703), (452, 46979), (862, 24634), (1724, 12317)]