21643320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180361}}^1$

素因数の和:180375

約数の個数: 32

約数和(自身を含む): 64930320

約数和(自身を除く): 43287000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180361, 360722, 541083, 721444, 901805, 1082166, 1442888, 1803610, 2164332, 2705415, 3607220, 4328664, 5410830, 7214440, 10821660, 21643320]

約数ペア:

[(1, 21643320), (2, 10821660), (3, 7214440), (4, 5410830), (5, 4328664), (6, 3607220), (8, 2705415), (10, 2164332), (12, 1803610), (15, 1442888), (20, 1082166), (24, 901805), (30, 721444), (40, 541083), (60, 360722), (120, 180361)]