21498366

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 22980354

約数列:

[1, 2, 3, 6, 43, 86, 103, 129, 206, 258, 309, 618, 809, 1618, 2427, 4429, 4854, 8858, 13287, 26574, 34787, 69574, 83327, 104361, 166654, 208722, 249981, 499962, 3583061, 7166122, 10749183, 21498366]

約数ペア:

[(1, 21498366), (2, 10749183), (3, 7166122), (6, 3583061), (43, 499962), (86, 249981), (103, 208722), (129, 166654), (206, 104361), (258, 83327), (309, 69574), (618, 34787), (809, 26574), (1618, 13287), (2427, 8858), (4429, 4854)]