21245954

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15241}}^1$

素因数の和:15301

約数の個数: 16

約数和(自身を含む): 34568856

約数和(自身を除く): 13322902

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15241, 30482, 259097, 518194, 624881, 1249762, 10622977, 21245954]

約数ペア:

[(1, 21245954), (2, 10622977), (17, 1249762), (34, 624881), (41, 518194), (82, 259097), (697, 30482), (1394, 15241)]