21224945

素因数分解:

$5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1051}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 29186688

約数和(自身を除く): 7961743

約数列:

[1, 5, 7, 35, 577, 1051, 2885, 4039, 5255, 7357, 20195, 36785, 606427, 3032135, 4244989, 21224945]

約数ペア:

[(1, 21224945), (5, 4244989), (7, 3032135), (35, 606427), (577, 36785), (1051, 20195), (2885, 7357), (4039, 5255)]