21177882720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14706863}}^1$

素因数の和:14706884

約数の個数: 72

約数和(自身を含む): 72269529696

約数和(自身を除く): 51091646976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14706863, 29413726, 44120589, 58827452, 73534315, 88241178, 117654904, 132361767, 147068630, 176482356, 220602945, 235309808, 264723534, 294137260, 352964712, 441205890, 470619616, 529447068, 588274520, 661808835, 705929424, 882411780, 1058894136, 1176549040, 1323617670, 1411858848, 1764823560, 2117788272, 2353098080, 2647235340, 3529647120, 4235576544, 5294470680, 7059294240, 10588941360, 21177882720]

約数ペア:

[(1, 21177882720), (2, 10588941360), (3, 7059294240), (4, 5294470680), (5, 4235576544), (6, 3529647120), (8, 2647235340), (9, 2353098080), (10, 2117788272), (12, 1764823560), (15, 1411858848), (16, 1323617670), (18, 1176549040), (20, 1058894136), (24, 882411780), (30, 705929424), (32, 661808835), (36, 588274520), (40, 529447068), (45, 470619616), (48, 441205890), (60, 352964712), (72, 294137260), (80, 264723534), (90, 235309808), (96, 220602945), (120, 176482356), (144, 147068630), (160, 132361767), (180, 117654904), (240, 88241178), (288, 73534315), (360, 58827452), (480, 44120589), (720, 29413726), (1440, 14706863)]