21886610

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 40834800

約数和(自身を除く): 18948190

約数列:

[1, 2, 5, 10, 37, 74, 149, 185, 298, 370, 397, 745, 794, 1490, 1985, 3970, 5513, 11026, 14689, 27565, 29378, 55130, 59153, 73445, 118306, 146890, 295765, 591530, 2188661, 4377322, 10943305, 21886610]

約数ペア:

[(1, 21886610), (2, 10943305), (5, 4377322), (10, 2188661), (37, 591530), (74, 295765), (149, 146890), (185, 118306), (298, 73445), (370, 59153), (397, 55130), (745, 29378), (794, 27565), (1490, 14689), (1985, 11026), (3970, 5513)]