21165846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271357}}^1$

素因数の和:271375

約数の個数: 16

約数和(自身を含む): 45588144

約数和(自身を除く): 24422298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271357, 542714, 814071, 1628142, 3527641, 7055282, 10582923, 21165846]

約数ペア:

[(1, 21165846), (2, 10582923), (3, 7055282), (6, 3527641), (13, 1628142), (26, 814071), (39, 542714), (78, 271357)]