21223035

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11503}}^1$

素因数の和:11555

約数の個数: 24

約数和(自身を含む): 37687104

約数和(自身を除く): 16464069

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11503, 34509, 57515, 103527, 172545, 471623, 517635, 1414869, 2358115, 4244607, 7074345, 21223035]

約数ペア:

[(1, 21223035), (3, 7074345), (5, 4244607), (9, 2358115), (15, 1414869), (41, 517635), (45, 471623), (123, 172545), (205, 103527), (369, 57515), (615, 34509), (1845, 11503)]