21370402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{761}}^1$

素因数の和:1521

約数の個数: 16

約数和(自身を含む): 33832800

約数和(自身を除く): 12462398

約数列:

[1, 2, 19, 38, 739, 761, 1478, 1522, 14041, 14459, 28082, 28918, 562379, 1124758, 10685201, 21370402]

約数ペア:

[(1, 21370402), (2, 10685201), (19, 1124758), (38, 562379), (739, 28918), (761, 28082), (1478, 14459), (1522, 14041)]