21122235

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1613}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 37961280

約数和(自身を除く): 16839045

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 1613, 2619, 4365, 4839, 8065, 13095, 14517, 24195, 43551, 72585, 156461, 217755, 469383, 782305, 1408149, 2346915, 4224447, 7040745, 21122235]

約数ペア:

[(1, 21122235), (3, 7040745), (5, 4224447), (9, 2346915), (15, 1408149), (27, 782305), (45, 469383), (97, 217755), (135, 156461), (291, 72585), (485, 43551), (873, 24195), (1455, 14517), (1613, 13095), (2619, 8065), (4365, 4839)]