21627632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103979}}^1$

素因数の和:104000

約数の個数: 20

約数和(自身を含む): 45127320

約数和(自身を除く): 23499688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103979, 207958, 415916, 831832, 1351727, 1663664, 2703454, 5406908, 10813816, 21627632]

約数ペア:

[(1, 21627632), (2, 10813816), (4, 5406908), (8, 2703454), (13, 1663664), (16, 1351727), (26, 831832), (52, 415916), (104, 207958), (208, 103979)]