21006336

素因数分解:

$2^{11}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39534144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 263, 312, 384, 416, 512, 526, 624, 768, 789, 832, 1024, 1052, 1248, 1536, 1578, 1664, 2048, 2104, 2496, 3072, 3156, 3328, 3419, 4208, 4992, 6144, 6312, 6656, 6838, 8416, 9984, 10257, 12624, 13312, 13676, 16832, 19968, 20514, 25248, 26624, 27352, 33664, 39936, 41028, 50496, 54704, 67328, 79872, 82056, 100992, 109408, 134656, 164112, 201984, 218816, 269312, 328224, 403968, 437632, 538624, 656448, 807936, 875264, 1312896, 1615872, 1750528, 2625792, 3501056, 5251584, 7002112, 10503168, 21006336]

約数ペア:

[(1, 21006336), (2, 10503168), (3, 7002112), (4, 5251584), (6, 3501056), (8, 2625792), (12, 1750528), (13, 1615872), (16, 1312896), (24, 875264), (26, 807936), (32, 656448), (39, 538624), (48, 437632), (52, 403968), (64, 328224), (78, 269312), (96, 218816), (104, 201984), (128, 164112), (156, 134656), (192, 109408), (208, 100992), (256, 82056), (263, 79872), (312, 67328), (384, 54704), (416, 50496), (512, 41028), (526, 39936), (624, 33664), (768, 27352), (789, 26624), (832, 25248), (1024, 20514), (1052, 19968), (1248, 16832), (1536, 13676), (1578, 13312), (1664, 12624), (2048, 10257), (2104, 9984), (2496, 8416), (3072, 6838), (3156, 6656), (3328, 6312), (3419, 6144), (4208, 4992)]