21710998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{709}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 33279120

約数和(自身を除く): 11568122

約数列:

[1, 2, 61, 122, 251, 502, 709, 1418, 15311, 30622, 43249, 86498, 177959, 355918, 10855499, 21710998]

約数ペア:

[(1, 21710998), (2, 10855499), (61, 355918), (122, 177959), (251, 86498), (502, 43249), (709, 30622), (1418, 15311)]