21930130

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21713}}^1$

素因数の和:21821

約数の個数: 16

約数和(自身を含む): 39866904

約数和(自身を除く): 17936774

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 21713, 43426, 108565, 217130, 2193013, 4386026, 10965065, 21930130]

約数ペア:

[(1, 21930130), (2, 10965065), (5, 4386026), (10, 2193013), (101, 217130), (202, 108565), (505, 43426), (1010, 21713)]