21890942

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 33363792

約数和(自身を除く): 11472850

約数列:

[1, 2, 101, 202, 307, 353, 614, 706, 31007, 35653, 62014, 71306, 108371, 216742, 10945471, 21890942]

約数ペア:

[(1, 21890942), (2, 10945471), (101, 216742), (202, 108371), (307, 71306), (353, 62014), (614, 35653), (706, 31007)]