21123156952

素因数分解:

$2^3\times {\mathrm{63439}}^1\times {\mathrm{41621}}^1$

素因数の和:105066

約数の個数: 16

約数和(自身を含む): 39607495200

約数和(自身を除く): 18484338248

約数列:

[1, 2, 4, 8, 41621, 63439, 83242, 126878, 166484, 253756, 332968, 507512, 2640394619, 5280789238, 10561578476, 21123156952]

約数ペア:

[(1, 21123156952), (2, 10561578476), (4, 5280789238), (8, 2640394619), (41621, 507512), (63439, 332968), (83242, 253756), (126878, 166484)]