21576984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6287}}^1$

素因数の和:6320

約数の個数: 64

約数和(自身を含む): 63383040

約数和(自身を除く): 41806056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6287, 12574, 18861, 25148, 37722, 50296, 69157, 75444, 81731, 138314, 150888, 163462, 207471, 245193, 276628, 326924, 414942, 490386, 553256, 653848, 829884, 899041, 980772, 1659768, 1798082, 1961544, 2697123, 3596164, 5394246, 7192328, 10788492, 21576984]

約数ペア:

[(1, 21576984), (2, 10788492), (3, 7192328), (4, 5394246), (6, 3596164), (8, 2697123), (11, 1961544), (12, 1798082), (13, 1659768), (22, 980772), (24, 899041), (26, 829884), (33, 653848), (39, 553256), (44, 490386), (52, 414942), (66, 326924), (78, 276628), (88, 245193), (104, 207471), (132, 163462), (143, 150888), (156, 138314), (264, 81731), (286, 75444), (312, 69157), (429, 50296), (572, 37722), (858, 25148), (1144, 18861), (1716, 12574), (3432, 6287)]