21407235

素因数分解:

$3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6287}}^1$

素因数の和:6522

約数の個数: 16

約数和(自身を含む): 34407936

約数和(自身を除く): 13000701

約数列:

[1, 3, 5, 15, 227, 681, 1135, 3405, 6287, 18861, 31435, 94305, 1427149, 4281447, 7135745, 21407235]

約数ペア:

[(1, 21407235), (3, 7135745), (5, 4281447), (15, 1427149), (227, 94305), (681, 31435), (1135, 18861), (3405, 6287)]