21454096

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{4051}}^1$

素因数の和:4390

約数の個数: 20

約数和(自身を含む): 41703184

約数和(自身を除く): 20249088

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 4051, 5296, 8102, 16204, 32408, 64816, 1340881, 2681762, 5363524, 10727048, 21454096]

約数ペア:

[(1, 21454096), (2, 10727048), (4, 5363524), (8, 2681762), (16, 1340881), (331, 64816), (662, 32408), (1324, 16204), (2648, 8102), (4051, 5296)]