21696792

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 58877280

約数和(自身を除く): 37180488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 197, 312, 353, 394, 591, 706, 788, 1059, 1182, 1412, 1576, 2118, 2364, 2561, 2824, 4236, 4589, 4728, 5122, 7683, 8472, 9178, 10244, 13767, 15366, 18356, 20488, 27534, 30732, 36712, 55068, 61464, 69541, 110136, 139082, 208623, 278164, 417246, 556328, 834492, 904033, 1668984, 1808066, 2712099, 3616132, 5424198, 7232264, 10848396, 21696792]

約数ペア:

[(1, 21696792), (2, 10848396), (3, 7232264), (4, 5424198), (6, 3616132), (8, 2712099), (12, 1808066), (13, 1668984), (24, 904033), (26, 834492), (39, 556328), (52, 417246), (78, 278164), (104, 208623), (156, 139082), (197, 110136), (312, 69541), (353, 61464), (394, 55068), (591, 36712), (706, 30732), (788, 27534), (1059, 20488), (1182, 18356), (1412, 15366), (1576, 13767), (2118, 10244), (2364, 9178), (2561, 8472), (2824, 7683), (4236, 5122), (4589, 4728)]