21495574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4129}}^1$

素因数の和:4287

約数の個数: 16

約数和(自身を含む): 34196400

約数和(自身を除く): 12700826

約数列:

[1, 2, 19, 38, 137, 274, 2603, 4129, 5206, 8258, 78451, 156902, 565673, 1131346, 10747787, 21495574]

約数ペア:

[(1, 21495574), (2, 10747787), (19, 1131346), (38, 565673), (137, 156902), (274, 78451), (2603, 8258), (4129, 5206)]