21505968

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13577}}^1$

素因数の和:13602

約数の個数: 60

約数和(自身を含む): 65663208

約数和(自身を除く): 44157240

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, 13577, 27154, 40731, 54308, 81462, 108616, 122193, 149347, 162924, 217232, 244386, 298694, 325848, 448041, 488772, 597388, 651696, 896082, 977544, 1194776, 1344123, 1792164, 1955088, 2389552, 2688246, 3584328, 5376492, 7168656, 10752984, 21505968]

約数ペア:

[(1, 21505968), (2, 10752984), (3, 7168656), (4, 5376492), (6, 3584328), (8, 2688246), (9, 2389552), (11, 1955088), (12, 1792164), (16, 1344123), (18, 1194776), (22, 977544), (24, 896082), (33, 651696), (36, 597388), (44, 488772), (48, 448041), (66, 325848), (72, 298694), (88, 244386), (99, 217232), (132, 162924), (144, 149347), (176, 122193), (198, 108616), (264, 81462), (396, 54308), (528, 40731), (792, 27154), (1584, 13577)]