21288144

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{7517}}^1$

素因数の和:7587

約数の個数: 40

約数和(自身を含む): 55933920

約数和(自身を除く): 34645776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 177, 236, 354, 472, 708, 944, 1416, 2832, 7517, 15034, 22551, 30068, 45102, 60136, 90204, 120272, 180408, 360816, 443503, 887006, 1330509, 1774012, 2661018, 3548024, 5322036, 7096048, 10644072, 21288144]

約数ペア:

[(1, 21288144), (2, 10644072), (3, 7096048), (4, 5322036), (6, 3548024), (8, 2661018), (12, 1774012), (16, 1330509), (24, 887006), (48, 443503), (59, 360816), (118, 180408), (177, 120272), (236, 90204), (354, 60136), (472, 45102), (708, 30068), (944, 22551), (1416, 15034), (2832, 7517)]