21053328

素因数分解:

$2^4\times 3^1\times {\mathrm{438611}}^1$

素因数の和:438622

約数の個数: 20

約数和(自身を含む): 54387888

約数和(自身を除く): 33334560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438611, 877222, 1315833, 1754444, 2631666, 3508888, 5263332, 7017776, 10526664, 21053328]

約数ペア:

[(1, 21053328), (2, 10526664), (3, 7017776), (4, 5263332), (6, 3508888), (8, 2631666), (12, 1754444), (16, 1315833), (24, 877222), (48, 438611)]