21202812

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1579}}^1$

素因数の和:1962

約数の個数: 36

約数和(自身を含む): 53773720

約数和(自身を除く): 32570908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1492, 1579, 2238, 3158, 3357, 4476, 4737, 6316, 6714, 9474, 13428, 14211, 18948, 28422, 56844, 588967, 1177934, 1766901, 2355868, 3533802, 5300703, 7067604, 10601406, 21202812]

約数ペア:

[(1, 21202812), (2, 10601406), (3, 7067604), (4, 5300703), (6, 3533802), (9, 2355868), (12, 1766901), (18, 1177934), (36, 588967), (373, 56844), (746, 28422), (1119, 18948), (1492, 14211), (1579, 13428), (2238, 9474), (3158, 6714), (3357, 6316), (4476, 4737)]