21122030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49121}}^1$

素因数の和:49171

約数の個数: 16

約数和(自身を含む): 38904624

約数和(自身を除く): 17782594

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49121, 98242, 245605, 491210, 2112203, 4224406, 10561015, 21122030]

約数ペア:

[(1, 21122030), (2, 10561015), (5, 4224406), (10, 2112203), (43, 491210), (86, 245605), (215, 98242), (430, 49121)]