21861015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132491}}^1$

素因数の和:132510

約数の個数: 16

約数和(自身を含む): 38157696

約数和(自身を除く): 16296681

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132491, 397473, 662455, 1457401, 1987365, 4372203, 7287005, 21861015]

約数ペア:

[(1, 21861015), (3, 7287005), (5, 4372203), (11, 1987365), (15, 1457401), (33, 662455), (55, 397473), (165, 132491)]