21590518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1343

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 11749082

約数列:

[1, 2, 41, 82, 251, 502, 1049, 2098, 10291, 20582, 43009, 86018, 263299, 526598, 10795259, 21590518]

約数ペア:

[(1, 21590518), (2, 10795259), (41, 526598), (82, 263299), (251, 86018), (502, 43009), (1049, 20582), (2098, 10291)]