21988695

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 36571392

約数和(自身を除く): 14582697

約数列:

[1, 3, 5, 15, 43, 73, 129, 215, 219, 365, 467, 645, 1095, 1401, 2335, 3139, 7005, 9417, 15695, 20081, 34091, 47085, 60243, 100405, 102273, 170455, 301215, 511365, 1465913, 4397739, 7329565, 21988695]

約数ペア:

[(1, 21988695), (3, 7329565), (5, 4397739), (15, 1465913), (43, 511365), (73, 301215), (129, 170455), (215, 102273), (219, 100405), (365, 60243), (467, 47085), (645, 34091), (1095, 20081), (1401, 15695), (2335, 9417), (3139, 7005)]