21365240880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89021837}}^1$

素因数の和:89021853

約数の個数: 40

約数和(自身を含む): 66232247472

約数和(自身を除く): 44867006592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89021837, 178043674, 267065511, 356087348, 445109185, 534131022, 712174696, 890218370, 1068262044, 1335327555, 1424349392, 1780436740, 2136524088, 2670655110, 3560873480, 4273048176, 5341310220, 7121746960, 10682620440, 21365240880]

約数ペア:

[(1, 21365240880), (2, 10682620440), (3, 7121746960), (4, 5341310220), (5, 4273048176), (6, 3560873480), (8, 2670655110), (10, 2136524088), (12, 1780436740), (15, 1424349392), (16, 1335327555), (20, 1068262044), (24, 890218370), (30, 712174696), (40, 534131022), (48, 445109185), (60, 356087348), (80, 267065511), (120, 178043674), (240, 89021837)]