21128010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{953}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 50829120

約数和(自身を除く): 29701110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 739, 953, 1478, 1906, 2217, 2859, 3695, 4434, 4765, 5718, 7390, 9530, 11085, 14295, 22170, 28590, 704267, 1408534, 2112801, 3521335, 4225602, 7042670, 10564005, 21128010]

約数ペア:

[(1, 21128010), (2, 10564005), (3, 7042670), (5, 4225602), (6, 3521335), (10, 2112801), (15, 1408534), (30, 704267), (739, 28590), (953, 22170), (1478, 14295), (1906, 11085), (2217, 9530), (2859, 7390), (3695, 5718), (4434, 4765)]