21598731

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3463}}^1$

素因数の和:3493

約数の個数: 40

約数和(自身を含む): 40237824

約数和(自身を除く): 18639093

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3463, 6237, 10389, 24241, 31167, 38093, 72723, 93501, 114279, 218169, 266651, 280503, 342837, 654507, 799953, 1028511, 1963521, 2399859, 3085533, 7199577, 21598731]

約数ペア:

[(1, 21598731), (3, 7199577), (7, 3085533), (9, 2399859), (11, 1963521), (21, 1028511), (27, 799953), (33, 654507), (63, 342837), (77, 280503), (81, 266651), (99, 218169), (189, 114279), (231, 93501), (297, 72723), (567, 38093), (693, 31167), (891, 24241), (2079, 10389), (3463, 6237)]