21497184

素因数分解:

$2^5\times 3^3\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 42006816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 139, 144, 179, 216, 278, 288, 358, 417, 432, 537, 556, 716, 834, 864, 1074, 1112, 1251, 1432, 1611, 1668, 2148, 2224, 2502, 2864, 3222, 3336, 3753, 4296, 4448, 4833, 5004, 5728, 6444, 6672, 7506, 8592, 9666, 10008, 12888, 13344, 15012, 17184, 19332, 20016, 24881, 25776, 30024, 38664, 40032, 49762, 51552, 60048, 74643, 77328, 99524, 120096, 149286, 154656, 199048, 223929, 298572, 398096, 447858, 597144, 671787, 796192, 895716, 1194288, 1343574, 1791432, 2388576, 2687148, 3582864, 5374296, 7165728, 10748592, 21497184]

約数ペア:

[(1, 21497184), (2, 10748592), (3, 7165728), (4, 5374296), (6, 3582864), (8, 2687148), (9, 2388576), (12, 1791432), (16, 1343574), (18, 1194288), (24, 895716), (27, 796192), (32, 671787), (36, 597144), (48, 447858), (54, 398096), (72, 298572), (96, 223929), (108, 199048), (139, 154656), (144, 149286), (179, 120096), (216, 99524), (278, 77328), (288, 74643), (358, 60048), (417, 51552), (432, 49762), (537, 40032), (556, 38664), (716, 30024), (834, 25776), (864, 24881), (1074, 20016), (1112, 19332), (1251, 17184), (1432, 15012), (1611, 13344), (1668, 12888), (2148, 10008), (2224, 9666), (2502, 8592), (2864, 7506), (3222, 6672), (3336, 6444), (3753, 5728), (4296, 5004), (4448, 4833)]