21301323

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 30650880

約数和(自身を除く): 9349557

約数列:

[1, 3, 17, 51, 79, 237, 289, 311, 867, 933, 1343, 4029, 5287, 15861, 22831, 24569, 68493, 73707, 89879, 269637, 417673, 1253019, 7100441, 21301323]

約数ペア:

[(1, 21301323), (3, 7100441), (17, 1253019), (51, 417673), (79, 269637), (237, 89879), (289, 73707), (311, 68493), (867, 24569), (933, 22831), (1343, 15861), (4029, 5287)]