21384698

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1039}}^1$

素因数の和:1333

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 11637382

約数列:

[1, 2, 41, 82, 251, 502, 1039, 2078, 10291, 20582, 42599, 85198, 260789, 521578, 10692349, 21384698]

約数ペア:

[(1, 21384698), (2, 10692349), (41, 521578), (82, 260789), (251, 85198), (502, 42599), (1039, 20582), (2078, 10291)]