21265320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177211}}^1$

素因数の和:177225

約数の個数: 32

約数和(自身を含む): 63796320

約数和(自身を除く): 42531000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177211, 354422, 531633, 708844, 886055, 1063266, 1417688, 1772110, 2126532, 2658165, 3544220, 4253064, 5316330, 7088440, 10632660, 21265320]

約数ペア:

[(1, 21265320), (2, 10632660), (3, 7088440), (4, 5316330), (5, 4253064), (6, 3544220), (8, 2658165), (10, 2126532), (12, 1772110), (15, 1417688), (20, 1063266), (24, 886055), (30, 708844), (40, 531633), (60, 354422), (120, 177211)]