21192130

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8867}}^1$

素因数の和:9113

約数の個数: 16

約数和(自身を含む): 38309760

約数和(自身を除く): 17117630

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8867, 17734, 44335, 88670, 2119213, 4238426, 10596065, 21192130]

約数ペア:

[(1, 21192130), (2, 10596065), (5, 4238426), (10, 2119213), (239, 88670), (478, 44335), (1195, 17734), (2390, 8867)]