21889610

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9643}}^1$

素因数の和:9877

約数の個数: 16

約数和(自身を含む): 39578976

約数和(自身を除く): 17689366

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9643, 19286, 48215, 96430, 2188961, 4377922, 10944805, 21889610]

約数ペア:

[(1, 21889610), (2, 10944805), (5, 4377922), (10, 2188961), (227, 96430), (454, 48215), (1135, 19286), (2270, 9643)]