21197366

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8027

約数の個数: 16

約数和(自身を含む): 33589248

約数和(自身を除く): 12391882

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7951, 15902, 246481, 341893, 492962, 683786, 10598683, 21197366]

約数ペア:

[(1, 21197366), (2, 10598683), (31, 683786), (43, 492962), (62, 341893), (86, 246481), (1333, 15902), (2666, 7951)]