21888045

素因数分解:

$3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{967}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 16165971

約数列:

[1, 3, 5, 9, 15, 45, 503, 967, 1509, 2515, 2901, 4527, 4835, 7545, 8703, 14505, 22635, 43515, 486401, 1459203, 2432005, 4377609, 7296015, 21888045]

約数ペア:

[(1, 21888045), (3, 7296015), (5, 4377609), (9, 2432005), (15, 1459203), (45, 486401), (503, 43515), (967, 22635), (1509, 14505), (2515, 8703), (2901, 7545), (4527, 4835)]