21358594

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 11131262

約数列:

[1, 2, 157, 251, 271, 314, 502, 542, 39407, 42547, 68021, 78814, 85094, 136042, 10679297, 21358594]

約数ペア:

[(1, 21358594), (2, 10679297), (157, 136042), (251, 85094), (271, 78814), (314, 68021), (502, 42547), (542, 39407)]