21878040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 65950560

約数和(自身を除く): 44072520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 337, 541, 674, 1011, 1082, 1348, 1623, 1685, 2022, 2164, 2696, 2705, 3246, 3370, 4044, 4328, 5055, 5410, 6492, 6740, 8088, 8115, 10110, 10820, 12984, 13480, 16230, 20220, 21640, 32460, 40440, 64920, 182317, 364634, 546951, 729268, 911585, 1093902, 1458536, 1823170, 2187804, 2734755, 3646340, 4375608, 5469510, 7292680, 10939020, 21878040]

約数ペア:

[(1, 21878040), (2, 10939020), (3, 7292680), (4, 5469510), (5, 4375608), (6, 3646340), (8, 2734755), (10, 2187804), (12, 1823170), (15, 1458536), (20, 1093902), (24, 911585), (30, 729268), (40, 546951), (60, 364634), (120, 182317), (337, 64920), (541, 40440), (674, 32460), (1011, 21640), (1082, 20220), (1348, 16230), (1623, 13480), (1685, 12984), (2022, 10820), (2164, 10110), (2696, 8115), (2705, 8088), (3246, 6740), (3370, 6492), (4044, 5410), (4328, 5055)]