21872230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115117}}^1$

素因数の和:115143

約数の個数: 16

約数和(自身を含む): 41442480

約数和(自身を除く): 19570250

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 115117, 230234, 575585, 1151170, 2187223, 4374446, 10936115, 21872230]

約数ペア:

[(1, 21872230), (2, 10936115), (5, 4374446), (10, 2187223), (19, 1151170), (38, 575585), (95, 230234), (190, 115117)]