21560616

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3889}}^1$

素因数の和:3919

約数の個数: 96

約数和(自身を含む): 72820800

約数和(自身を除く): 51260184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 126, 132, 154, 168, 198, 231, 252, 264, 308, 396, 462, 504, 616, 693, 792, 924, 1386, 1848, 2772, 3889, 5544, 7778, 11667, 15556, 23334, 27223, 31112, 35001, 42779, 46668, 54446, 70002, 81669, 85558, 93336, 108892, 128337, 140004, 163338, 171116, 217784, 245007, 256674, 280008, 299453, 326676, 342232, 385011, 490014, 513348, 598906, 653352, 770022, 898359, 980028, 1026696, 1197812, 1540044, 1796718, 1960056, 2395624, 2695077, 3080088, 3593436, 5390154, 7186872, 10780308, 21560616]

約数ペア:

[(1, 21560616), (2, 10780308), (3, 7186872), (4, 5390154), (6, 3593436), (7, 3080088), (8, 2695077), (9, 2395624), (11, 1960056), (12, 1796718), (14, 1540044), (18, 1197812), (21, 1026696), (22, 980028), (24, 898359), (28, 770022), (33, 653352), (36, 598906), (42, 513348), (44, 490014), (56, 385011), (63, 342232), (66, 326676), (72, 299453), (77, 280008), (84, 256674), (88, 245007), (99, 217784), (126, 171116), (132, 163338), (154, 140004), (168, 128337), (198, 108892), (231, 93336), (252, 85558), (264, 81669), (308, 70002), (396, 54446), (462, 46668), (504, 42779), (616, 35001), (693, 31112), (792, 27223), (924, 23334), (1386, 15556), (1848, 11667), (2772, 7778), (3889, 5544)]