21625042

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3919}}^1$

素因数の和:4041

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12243758

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3919, 5518, 7838, 121489, 242978, 348791, 697582, 10812521, 21625042]

約数ペア:

[(1, 21625042), (2, 10812521), (31, 697582), (62, 348791), (89, 242978), (178, 121489), (2759, 7838), (3919, 5518)]