21750846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 47029248

約数和(自身を除く): 25278402

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 647, 862, 1293, 1294, 1941, 2586, 3882, 5603, 8411, 11206, 16809, 16822, 25233, 33618, 50466, 278857, 557714, 836571, 1673142, 3625141, 7250282, 10875423, 21750846]

約数ペア:

[(1, 21750846), (2, 10875423), (3, 7250282), (6, 3625141), (13, 1673142), (26, 836571), (39, 557714), (78, 278857), (431, 50466), (647, 33618), (862, 25233), (1293, 16822), (1294, 16809), (1941, 11206), (2586, 8411), (3882, 5603)]