21699496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 51367680

約数和(自身を除く): 29668184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 727, 728, 1066, 1148, 1454, 2132, 2296, 2908, 3731, 4264, 5089, 5816, 7462, 9451, 10178, 14924, 18902, 20356, 29807, 29848, 37804, 40712, 59614, 66157, 75608, 119228, 132314, 208649, 238456, 264628, 387491, 417298, 529256, 774982, 834596, 1549964, 1669192, 2712437, 3099928, 5424874, 10849748, 21699496]

約数ペア:

[(1, 21699496), (2, 10849748), (4, 5424874), (7, 3099928), (8, 2712437), (13, 1669192), (14, 1549964), (26, 834596), (28, 774982), (41, 529256), (52, 417298), (56, 387491), (82, 264628), (91, 238456), (104, 208649), (164, 132314), (182, 119228), (287, 75608), (328, 66157), (364, 59614), (533, 40712), (574, 37804), (727, 29848), (728, 29807), (1066, 20356), (1148, 18902), (1454, 14924), (2132, 10178), (2296, 9451), (2908, 7462), (3731, 5816), (4264, 5089)]