21283770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1297}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 51213888

約数和(自身を除く): 29930118

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 547, 1094, 1297, 1641, 2594, 2735, 3282, 3891, 5470, 6485, 7782, 8205, 12970, 16410, 19455, 38910, 709459, 1418918, 2128377, 3547295, 4256754, 7094590, 10641885, 21283770]

約数ペア:

[(1, 21283770), (2, 10641885), (3, 7094590), (5, 4256754), (6, 3547295), (10, 2128377), (15, 1418918), (30, 709459), (547, 38910), (1094, 19455), (1297, 16410), (1641, 12970), (2594, 8205), (2735, 7782), (3282, 6485), (3891, 5470)]