21928030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 19077410

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 677, 790, 1354, 3239, 3385, 6478, 6770, 16195, 27757, 32390, 53483, 55514, 106966, 138785, 267415, 277570, 534830, 2192803, 4385606, 10964015, 21928030]

約数ペア:

[(1, 21928030), (2, 10964015), (5, 4385606), (10, 2192803), (41, 534830), (79, 277570), (82, 267415), (158, 138785), (205, 106966), (395, 55514), (410, 53483), (677, 32390), (790, 27757), (1354, 16195), (3239, 6770), (3385, 6478)]