21142056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67763}}^1$

素因数の和:67785

約数の個数: 32

約数和(自身を含む): 56921760

約数和(自身を除く): 35779704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67763, 135526, 203289, 271052, 406578, 542104, 813156, 880919, 1626312, 1761838, 2642757, 3523676, 5285514, 7047352, 10571028, 21142056]

約数ペア:

[(1, 21142056), (2, 10571028), (3, 7047352), (4, 5285514), (6, 3523676), (8, 2642757), (12, 1761838), (13, 1626312), (24, 880919), (26, 813156), (39, 542104), (52, 406578), (78, 271052), (104, 203289), (156, 135526), (312, 67763)]