21940399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 2453201

約数列:

[1, 13, 47, 149, 241, 611, 1937, 3133, 7003, 11327, 35909, 91039, 147251, 466817, 1687723, 21940399]

約数ペア:

[(1, 21940399), (13, 1687723), (47, 466817), (149, 147251), (241, 91039), (611, 35909), (1937, 11327), (3133, 7003)]