21462090909

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1\times {\mathrm{7927}}^1$

素因数の和:8729

約数の個数: 32

約数和(自身を含む): 32909445120

約数和(自身を除く): 11447354211

約数列:

[1, 3, 7, 21, 229, 563, 687, 1603, 1689, 3941, 4809, 7927, 11823, 23781, 55489, 128927, 166467, 386781, 902489, 1815283, 2707467, 4462901, 5445849, 12706981, 13388703, 31240307, 38120943, 93720921, 1022004329, 3066012987, 7154030303, 21462090909]

約数ペア:

[(1, 21462090909), (3, 7154030303), (7, 3066012987), (21, 1022004329), (229, 93720921), (563, 38120943), (687, 31240307), (1603, 13388703), (1689, 12706981), (3941, 5445849), (4809, 4462901), (7927, 2707467), (11823, 1815283), (23781, 902489), (55489, 386781), (128927, 166467)]