21538230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102563}}^1$

素因数の和:102580

約数の個数: 32

約数和(自身を含む): 59076864

約数和(自身を除く): 37538634

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102563, 205126, 307689, 512815, 615378, 717941, 1025630, 1435882, 1538445, 2153823, 3076890, 3589705, 4307646, 7179410, 10769115, 21538230]

約数ペア:

[(1, 21538230), (2, 10769115), (3, 7179410), (5, 4307646), (6, 3589705), (7, 3076890), (10, 2153823), (14, 1538445), (15, 1435882), (21, 1025630), (30, 717941), (35, 615378), (42, 512815), (70, 307689), (105, 205126), (210, 102563)]