21640494

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{15091}}^1$

素因数の和:15335

約数の個数: 16

約数和(自身を含む): 43464960

約数和(自身を除く): 21824466

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 15091, 30182, 45273, 90546, 3606749, 7213498, 10820247, 21640494]

約数ペア:

[(1, 21640494), (2, 10820247), (3, 7213498), (6, 3606749), (239, 90546), (478, 45273), (717, 30182), (1434, 15091)]