21944260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84401}}^1$

素因数の和:84423

約数の個数: 24

約数和(自身を含む): 49628376

約数和(自身を除く): 27684116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 84401, 168802, 337604, 422005, 844010, 1097213, 1688020, 2194426, 4388852, 5486065, 10972130, 21944260]

約数ペア:

[(1, 21944260), (2, 10972130), (4, 5486065), (5, 4388852), (10, 2194426), (13, 1688020), (20, 1097213), (26, 844010), (52, 422005), (65, 337604), (130, 168802), (260, 84401)]