21583016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 30429784

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1288, 1289, 2093, 2392, 2578, 4186, 5156, 8372, 9023, 10312, 16744, 16757, 18046, 29647, 33514, 36092, 59294, 67028, 72184, 117299, 118588, 134056, 207529, 234598, 237176, 385411, 415058, 469196, 770822, 830116, 938392, 1541644, 1660232, 2697877, 3083288, 5395754, 10791508, 21583016]

約数ペア:

[(1, 21583016), (2, 10791508), (4, 5395754), (7, 3083288), (8, 2697877), (13, 1660232), (14, 1541644), (23, 938392), (26, 830116), (28, 770822), (46, 469196), (52, 415058), (56, 385411), (91, 237176), (92, 234598), (104, 207529), (161, 134056), (182, 118588), (184, 117299), (299, 72184), (322, 67028), (364, 59294), (598, 36092), (644, 33514), (728, 29647), (1196, 18046), (1288, 16757), (1289, 16744), (2093, 10312), (2392, 9023), (2578, 8372), (4186, 5156)]