21432404

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2604

約数の個数: 36

約数和(自身を含む): 44662464

約数和(自身を除く): 23230060

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 2543, 4214, 5086, 8428, 10172, 17801, 35602, 71204, 109349, 124607, 218698, 249214, 437396, 498428, 765443, 1530886, 3061772, 5358101, 10716202, 21432404]

約数ペア:

[(1, 21432404), (2, 10716202), (4, 5358101), (7, 3061772), (14, 1530886), (28, 765443), (43, 498428), (49, 437396), (86, 249214), (98, 218698), (172, 124607), (196, 109349), (301, 71204), (602, 35602), (1204, 17801), (2107, 10172), (2543, 8428), (4214, 5086)]