21000907988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5567579}}^1$

素因数の和:5567647

約数の個数: 24

約数和(自身を含む): 39284844480

約数和(自身を除く): 18283936492

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 943, 1886, 3772, 5567579, 11135158, 22270316, 128054317, 228270739, 256108634, 456541478, 512217268, 913082956, 5250226997, 10500453994, 21000907988]

約数ペア:

[(1, 21000907988), (2, 10500453994), (4, 5250226997), (23, 913082956), (41, 512217268), (46, 456541478), (82, 256108634), (92, 228270739), (164, 128054317), (943, 22270316), (1886, 11135158), (3772, 5567579)]