21467702960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{53381}}^1$

素因数の和:53862

約数の個数: 80

約数和(自身を含む): 54570069792

約数和(自身を除く): 33102366832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 457, 880, 914, 1828, 2285, 3656, 4570, 5027, 7312, 9140, 10054, 18280, 20108, 25135, 36560, 40216, 50270, 53381, 80432, 100540, 106762, 201080, 213524, 266905, 402160, 427048, 533810, 587191, 854096, 1067620, 1174382, 2135240, 2348764, 2935955, 4270480, 4697528, 5871910, 9395056, 11743820, 23487640, 24395117, 46975280, 48790234, 97580468, 121975585, 195160936, 243951170, 268346287, 390321872, 487902340, 536692574, 975804680, 1073385148, 1341731435, 1951609360, 2146770296, 2683462870, 4293540592, 5366925740, 10733851480, 21467702960]

約数ペア:

[(1, 21467702960), (2, 10733851480), (4, 5366925740), (5, 4293540592), (8, 2683462870), (10, 2146770296), (11, 1951609360), (16, 1341731435), (20, 1073385148), (22, 975804680), (40, 536692574), (44, 487902340), (55, 390321872), (80, 268346287), (88, 243951170), (110, 195160936), (176, 121975585), (220, 97580468), (440, 48790234), (457, 46975280), (880, 24395117), (914, 23487640), (1828, 11743820), (2285, 9395056), (3656, 5871910), (4570, 4697528), (5027, 4270480), (7312, 2935955), (9140, 2348764), (10054, 2135240), (18280, 1174382), (20108, 1067620), (25135, 854096), (36560, 587191), (40216, 533810), (50270, 427048), (53381, 402160), (80432, 266905), (100540, 213524), (106762, 201080)]