21016740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9467}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 60443712

約数和(自身を除く): 39426972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9467, 18934, 28401, 37868, 47335, 56802, 94670, 113604, 142005, 189340, 284010, 350279, 568020, 700558, 1050837, 1401116, 1751395, 2101674, 3502790, 4203348, 5254185, 7005580, 10508370, 21016740]

約数ペア:

[(1, 21016740), (2, 10508370), (3, 7005580), (4, 5254185), (5, 4203348), (6, 3502790), (10, 2101674), (12, 1751395), (15, 1401116), (20, 1050837), (30, 700558), (37, 568020), (60, 350279), (74, 284010), (111, 189340), (148, 142005), (185, 113604), (222, 94670), (370, 56802), (444, 47335), (555, 37868), (740, 28401), (1110, 18934), (2220, 9467)]