21423656

素因数分解:

$2^3\times {\mathrm{977}}^1\times {\mathrm{2741}}^1$

素因数の和:3724

約数の個数: 16

約数和(自身を含む): 40225140

約数和(自身を除く): 18801484

約数列:

[1, 2, 4, 8, 977, 1954, 2741, 3908, 5482, 7816, 10964, 21928, 2677957, 5355914, 10711828, 21423656]

約数ペア:

[(1, 21423656), (2, 10711828), (4, 5355914), (8, 2677957), (977, 21928), (1954, 10964), (2741, 7816), (3908, 5482)]