21105216

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{3331}}^1$

素因数の和:3360

約数の個数: 84

約数和(自身を含む): 66013584

約数和(自身を除く): 44908368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 132, 144, 176, 192, 198, 264, 288, 352, 396, 528, 576, 704, 792, 1056, 1584, 2112, 3168, 3331, 6336, 6662, 9993, 13324, 19986, 26648, 29979, 36641, 39972, 53296, 59958, 73282, 79944, 106592, 109923, 119916, 146564, 159888, 213184, 219846, 239832, 293128, 319776, 329769, 439692, 479664, 586256, 639552, 659538, 879384, 959328, 1172512, 1319076, 1758768, 1918656, 2345024, 2638152, 3517536, 5276304, 7035072, 10552608, 21105216]

約数ペア:

[(1, 21105216), (2, 10552608), (3, 7035072), (4, 5276304), (6, 3517536), (8, 2638152), (9, 2345024), (11, 1918656), (12, 1758768), (16, 1319076), (18, 1172512), (22, 959328), (24, 879384), (32, 659538), (33, 639552), (36, 586256), (44, 479664), (48, 439692), (64, 329769), (66, 319776), (72, 293128), (88, 239832), (96, 219846), (99, 213184), (132, 159888), (144, 146564), (176, 119916), (192, 109923), (198, 106592), (264, 79944), (288, 73282), (352, 59958), (396, 53296), (528, 39972), (576, 36641), (704, 29979), (792, 26648), (1056, 19986), (1584, 13324), (2112, 9993), (3168, 6662), (3331, 6336)]