21939707923

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1\times {\mathrm{1259}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 26218321920

約数和(自身を除く): 4278613997

約数列:

[1, 7, 37, 61, 259, 427, 1103, 1259, 2257, 7721, 8813, 15799, 40811, 46583, 67283, 76799, 285677, 326081, 470981, 537593, 1388677, 2489471, 2841563, 9720739, 17426297, 19890941, 51381049, 84709297, 359667343, 592965079, 3134243989, 21939707923]

約数ペア:

[(1, 21939707923), (7, 3134243989), (37, 592965079), (61, 359667343), (259, 84709297), (427, 51381049), (1103, 19890941), (1259, 17426297), (2257, 9720739), (7721, 2841563), (8813, 2489471), (15799, 1388677), (40811, 537593), (46583, 470981), (67283, 326081), (76799, 285677)]