21249586

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 32514336

約数和(自身を除く): 11264750

約数列:

[1, 2, 67, 134, 347, 457, 694, 914, 23249, 30619, 46498, 61238, 158579, 317158, 10624793, 21249586]

約数ペア:

[(1, 21249586), (2, 10624793), (67, 317158), (134, 158579), (347, 61238), (457, 46498), (694, 30619), (914, 23249)]