21538014

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{12421}}^1$

素因数の和:12460

約数の個数: 24

約数和(自身を含む): 45762648

約数和(自身を除く): 24224634

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 578, 867, 1734, 12421, 24842, 37263, 74526, 211157, 422314, 633471, 1266942, 3589669, 7179338, 10769007, 21538014]

約数ペア:

[(1, 21538014), (2, 10769007), (3, 7179338), (6, 3589669), (17, 1266942), (34, 633471), (51, 422314), (102, 211157), (289, 74526), (578, 37263), (867, 24842), (1734, 12421)]