21706824

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 58242240

約数和(自身を除く): 36535416

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 83, 102, 136, 166, 204, 249, 332, 408, 498, 641, 664, 996, 1282, 1411, 1923, 1992, 2564, 2822, 3846, 4233, 5128, 5644, 7692, 8466, 10897, 11288, 15384, 16932, 21794, 32691, 33864, 43588, 53203, 65382, 87176, 106406, 130764, 159609, 212812, 261528, 319218, 425624, 638436, 904451, 1276872, 1808902, 2713353, 3617804, 5426706, 7235608, 10853412, 21706824]

約数ペア:

[(1, 21706824), (2, 10853412), (3, 7235608), (4, 5426706), (6, 3617804), (8, 2713353), (12, 1808902), (17, 1276872), (24, 904451), (34, 638436), (51, 425624), (68, 319218), (83, 261528), (102, 212812), (136, 159609), (166, 130764), (204, 106406), (249, 87176), (332, 65382), (408, 53203), (498, 43588), (641, 33864), (664, 32691), (996, 21794), (1282, 16932), (1411, 15384), (1923, 11288), (1992, 10897), (2564, 8466), (2822, 7692), (3846, 5644), (4233, 5128)]