21871772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7129}}^1$

素因数の和:7205

約数の個数: 24

約数和(自身を含む): 41924400

約数和(自身を除く): 20052628

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 7129, 14258, 28516, 92677, 185354, 370708, 420611, 841222, 1682444, 5467943, 10935886, 21871772]

約数ペア:

[(1, 21871772), (2, 10935886), (4, 5467943), (13, 1682444), (26, 841222), (52, 420611), (59, 370708), (118, 185354), (236, 92677), (767, 28516), (1534, 14258), (3068, 7129)]