21877686

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2887}}^1$

素因数の和:3316

約数の個数: 24

約数和(自身を含む): 47530704

約数和(自身を除く): 25653018

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2887, 3789, 5774, 7578, 8661, 17322, 25983, 51966, 1215427, 2430854, 3646281, 7292562, 10938843, 21877686]

約数ペア:

[(1, 21877686), (2, 10938843), (3, 7292562), (6, 3646281), (9, 2430854), (18, 1215427), (421, 51966), (842, 25983), (1263, 17322), (2526, 8661), (2887, 7578), (3789, 5774)]