21355502

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 39517632

約数和(自身を除く): 18162130

約数列:

[1, 2, 7, 14, 17, 34, 53, 106, 119, 238, 371, 742, 901, 1693, 1802, 3386, 6307, 11851, 12614, 23702, 28781, 57562, 89729, 179458, 201467, 402934, 628103, 1256206, 1525393, 3050786, 10677751, 21355502]

約数ペア:

[(1, 21355502), (2, 10677751), (7, 3050786), (14, 1525393), (17, 1256206), (34, 628103), (53, 402934), (106, 201467), (119, 179458), (238, 89729), (371, 57562), (742, 28781), (901, 23702), (1693, 12614), (1802, 11851), (3386, 6307)]