21325172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13099}}^1$

素因数の和:13151

約数の個数: 24

約数和(自身を含む): 41815200

約数和(自身を除く): 20490028

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13099, 26198, 52396, 144089, 288178, 484663, 576356, 969326, 1938652, 5331293, 10662586, 21325172]

約数ペア:

[(1, 21325172), (2, 10662586), (4, 5331293), (11, 1938652), (22, 969326), (37, 576356), (44, 484663), (74, 288178), (148, 144089), (407, 52396), (814, 26198), (1628, 13099)]