21303468

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1373}}^1$

素因数の和:1814

約数の個数: 36

約数和(自身を含む): 54014688

約数和(自身を除く): 32711220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1373, 1724, 2586, 2746, 3879, 4119, 5172, 5492, 7758, 8238, 12357, 15516, 16476, 24714, 49428, 591763, 1183526, 1775289, 2367052, 3550578, 5325867, 7101156, 10651734, 21303468]

約数ペア:

[(1, 21303468), (2, 10651734), (3, 7101156), (4, 5325867), (6, 3550578), (9, 2367052), (12, 1775289), (18, 1183526), (36, 591763), (431, 49428), (862, 24714), (1293, 16476), (1373, 15516), (1724, 12357), (2586, 8238), (2746, 7758), (3879, 5492), (4119, 5172)]