21223486

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4347

約数の個数: 16

約数和(自身を含む): 33154128

約数和(自身を除く): 11930642

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4243, 5002, 8486, 173963, 258823, 347926, 517646, 10611743, 21223486]

約数ペア:

[(1, 21223486), (2, 10611743), (41, 517646), (61, 347926), (82, 258823), (122, 173963), (2501, 8486), (4243, 5002)]