21126768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33857}}^1$

素因数の和:33881

約数の個数: 40

約数和(自身を含む): 58777488

約数和(自身を除く): 37650720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33857, 67714, 101571, 135428, 203142, 270856, 406284, 440141, 541712, 812568, 880282, 1320423, 1625136, 1760564, 2640846, 3521128, 5281692, 7042256, 10563384, 21126768]

約数ペア:

[(1, 21126768), (2, 10563384), (3, 7042256), (4, 5281692), (6, 3521128), (8, 2640846), (12, 1760564), (13, 1625136), (16, 1320423), (24, 880282), (26, 812568), (39, 541712), (48, 440141), (52, 406284), (78, 270856), (104, 203142), (156, 135428), (208, 101571), (312, 67714), (624, 33857)]