21948975

素因数分解:

$3^5\times 5^2\times {\mathrm{3613}}^1$

素因数の和:3638

約数の個数: 36

約数和(自身を含む): 40780376

約数和(自身を除く): 18831401

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3613, 6075, 10839, 18065, 32517, 54195, 90325, 97551, 162585, 270975, 292653, 487755, 812925, 877959, 1463265, 2438775, 4389795, 7316325, 21948975]

約数ペア:

[(1, 21948975), (3, 7316325), (5, 4389795), (9, 2438775), (15, 1463265), (25, 877959), (27, 812925), (45, 487755), (75, 292653), (81, 270975), (135, 162585), (225, 97551), (243, 90325), (405, 54195), (675, 32517), (1215, 18065), (2025, 10839), (3613, 6075)]