21249914

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41023}}^1$

素因数の和:41069

約数の個数: 16

約数和(自身を含む): 37413888

約数和(自身を除く): 16163974

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 41023, 82046, 287161, 574322, 1517851, 3035702, 10624957, 21249914]

約数ペア:

[(1, 21249914), (2, 10624957), (7, 3035702), (14, 1517851), (37, 574322), (74, 287161), (259, 82046), (518, 41023)]