21263914

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66037}}^1$

素因数の和:66069

約数の個数: 16

約数和(自身を含む): 38037888

約数和(自身を除く): 16773974

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66037, 132074, 462259, 924518, 1518851, 3037702, 10631957, 21263914]

約数ペア:

[(1, 21263914), (2, 10631957), (7, 3037702), (14, 1518851), (23, 924518), (46, 462259), (161, 132074), (322, 66037)]