21054838

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{13309}}^1$

素因数の和:13431

約数の個数: 16

約数和(自身を含む): 36416160

約数和(自身を除く): 15361322

約数列:

[1, 2, 7, 14, 113, 226, 791, 1582, 13309, 26618, 93163, 186326, 1503917, 3007834, 10527419, 21054838]

約数ペア:

[(1, 21054838), (2, 10527419), (7, 3007834), (14, 1503917), (113, 186326), (226, 93163), (791, 26618), (1582, 13309)]