21666906

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8537}}^1$

素因数の和:8595

約数の個数: 32

約数和(自身を含む): 49178880

約数和(自身を除く): 27511974

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8537, 17074, 25611, 51222, 76833, 153666, 230499, 401239, 460998, 802478, 1203717, 2407434, 3611151, 7222302, 10833453, 21666906]

約数ペア:

[(1, 21666906), (2, 10833453), (3, 7222302), (6, 3611151), (9, 2407434), (18, 1203717), (27, 802478), (47, 460998), (54, 401239), (94, 230499), (141, 153666), (282, 76833), (423, 51222), (846, 25611), (1269, 17074), (2538, 8537)]