21767690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10723}}^1$

素因数の和:10766

約数の個数: 32

約数和(自身を含む): 46327680

約数和(自身を除く): 24559990

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10723, 21446, 53615, 75061, 107230, 150122, 310967, 375305, 621934, 750610, 1554835, 2176769, 3109670, 4353538, 10883845, 21767690]

約数ペア:

[(1, 21767690), (2, 10883845), (5, 4353538), (7, 3109670), (10, 2176769), (14, 1554835), (29, 750610), (35, 621934), (58, 375305), (70, 310967), (145, 150122), (203, 107230), (290, 75061), (406, 53615), (1015, 21446), (2030, 10723)]