21109968

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13327}}^1$

素因数の和:13352

約数の個数: 60

約数和(自身を含む): 64454208

約数和(自身を除く): 43344240

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13327, 26654, 39981, 53308, 79962, 106616, 119943, 146597, 159924, 213232, 239886, 293194, 319848, 439791, 479772, 586388, 639696, 879582, 959544, 1172776, 1319373, 1759164, 1919088, 2345552, 2638746, 3518328, 5277492, 7036656, 10554984, 21109968]

約数ペア:

[(1, 21109968), (2, 10554984), (3, 7036656), (4, 5277492), (6, 3518328), (8, 2638746), (9, 2345552), (11, 1919088), (12, 1759164), (16, 1319373), (18, 1172776), (22, 959544), (24, 879582), (33, 639696), (36, 586388), (44, 479772), (48, 439791), (66, 319848), (72, 293194), (88, 239886), (99, 213232), (132, 159924), (144, 146597), (176, 119943), (198, 106616), (264, 79962), (396, 53308), (528, 39981), (792, 26654), (1584, 13327)]