21245536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51071}}^1$

素因数の和:51094

約数の個数: 24

約数和(自身を含む): 45045504

約数和(自身を除く): 23799968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51071, 102142, 204284, 408568, 663923, 817136, 1327846, 1634272, 2655692, 5311384, 10622768, 21245536]

約数ペア:

[(1, 21245536), (2, 10622768), (4, 5311384), (8, 2655692), (13, 1634272), (16, 1327846), (26, 817136), (32, 663923), (52, 408568), (104, 204284), (208, 102142), (416, 51071)]