21162030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4493}}^1$

素因数の和:4660

約数の個数: 32

約数和(自身を含む): 51123744

約数和(自身を除く): 29961714

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4493, 4710, 8986, 13479, 22465, 26958, 44930, 67395, 134790, 705401, 1410802, 2116203, 3527005, 4232406, 7054010, 10581015, 21162030]

約数ペア:

[(1, 21162030), (2, 10581015), (3, 7054010), (5, 4232406), (6, 3527005), (10, 2116203), (15, 1410802), (30, 705401), (157, 134790), (314, 67395), (471, 44930), (785, 26958), (942, 22465), (1570, 13479), (2355, 8986), (4493, 4710)]