21401045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3449}}^1$

素因数の和:3544

約数の個数: 16

約数和(自身を含む): 27572400

約数和(自身を除く): 6171355

約数列:

[1, 5, 17, 73, 85, 365, 1241, 3449, 6205, 17245, 58633, 251777, 293165, 1258885, 4280209, 21401045]

約数ペア:

[(1, 21401045), (5, 4280209), (17, 1258885), (73, 293165), (85, 251777), (365, 58633), (1241, 17245), (3449, 6205)]