21160944

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2999}}^1$

素因数の和:3027

約数の個数: 90

約数和(自身を含む): 68913000

約数和(自身を除く): 47752056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2999, 3528, 5998, 7056, 8997, 11996, 17994, 20993, 23992, 26991, 35988, 41986, 47984, 53982, 62979, 71976, 83972, 107964, 125958, 143952, 146951, 167944, 188937, 215928, 251916, 293902, 335888, 377874, 431856, 440853, 503832, 587804, 755748, 881706, 1007664, 1175608, 1322559, 1511496, 1763412, 2351216, 2645118, 3022992, 3526824, 5290236, 7053648, 10580472, 21160944]

約数ペア:

[(1, 21160944), (2, 10580472), (3, 7053648), (4, 5290236), (6, 3526824), (7, 3022992), (8, 2645118), (9, 2351216), (12, 1763412), (14, 1511496), (16, 1322559), (18, 1175608), (21, 1007664), (24, 881706), (28, 755748), (36, 587804), (42, 503832), (48, 440853), (49, 431856), (56, 377874), (63, 335888), (72, 293902), (84, 251916), (98, 215928), (112, 188937), (126, 167944), (144, 146951), (147, 143952), (168, 125958), (196, 107964), (252, 83972), (294, 71976), (336, 62979), (392, 53982), (441, 47984), (504, 41986), (588, 35988), (784, 26991), (882, 23992), (1008, 20993), (1176, 17994), (1764, 11996), (2352, 8997), (2999, 7056), (3528, 5998)]