21908614

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 43860096

約数和(自身を除く): 21951482

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 73, 91, 97, 119, 146, 182, 194, 221, 238, 442, 511, 679, 949, 1022, 1241, 1261, 1358, 1547, 1649, 1898, 2482, 2522, 3094, 3298, 6643, 7081, 8687, 8827, 11543, 13286, 14162, 16133, 17374, 17654, 21437, 23086, 32266, 42874, 49567, 92053, 99134, 112931, 120377, 150059, 184106, 225862, 240754, 300118, 644371, 842639, 1288742, 1564901, 1685278, 3129802, 10954307, 21908614]

約数ペア:

[(1, 21908614), (2, 10954307), (7, 3129802), (13, 1685278), (14, 1564901), (17, 1288742), (26, 842639), (34, 644371), (73, 300118), (91, 240754), (97, 225862), (119, 184106), (146, 150059), (182, 120377), (194, 112931), (221, 99134), (238, 92053), (442, 49567), (511, 42874), (679, 32266), (949, 23086), (1022, 21437), (1241, 17654), (1261, 17374), (1358, 16133), (1547, 14162), (1649, 13286), (1898, 11543), (2482, 8827), (2522, 8687), (3094, 7081), (3298, 6643)]