21750038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10487}}^1$

素因数の和:10567

約数の個数: 16

約数和(自身を含む): 35113824

約数和(自身を除く): 13363786

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10487, 20974, 178279, 356558, 639707, 1279414, 10875019, 21750038]

約数ペア:

[(1, 21750038), (2, 10875019), (17, 1279414), (34, 639707), (61, 356558), (122, 178279), (1037, 20974), (2074, 10487)]