21056871960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58491311}}^1$

素因数の和:58491328

約数の個数: 48

約数和(自身を含む): 68434835040

約数和(自身を除く): 47377963080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58491311, 116982622, 175473933, 233965244, 292456555, 350947866, 467930488, 526421799, 584913110, 701895732, 877369665, 1052843598, 1169826220, 1403791464, 1754739330, 2105687196, 2339652440, 2632108995, 3509478660, 4211374392, 5264217990, 7018957320, 10528435980, 21056871960]

約数ペア:

[(1, 21056871960), (2, 10528435980), (3, 7018957320), (4, 5264217990), (5, 4211374392), (6, 3509478660), (8, 2632108995), (9, 2339652440), (10, 2105687196), (12, 1754739330), (15, 1403791464), (18, 1169826220), (20, 1052843598), (24, 877369665), (30, 701895732), (36, 584913110), (40, 526421799), (45, 467930488), (60, 350947866), (72, 292456555), (90, 233965244), (120, 175473933), (180, 116982622), (360, 58491311)]