21194230

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12251}}^1$

素因数の和:12431

約数の個数: 16

約数和(自身を含む): 38373264

約数和(自身を除く): 17179034

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 12251, 24502, 61255, 122510, 2119423, 4238846, 10597115, 21194230]

約数ペア:

[(1, 21194230), (2, 10597115), (5, 4238846), (10, 2119423), (173, 122510), (346, 61255), (865, 24502), (1730, 12251)]