21431256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11597}}^1$

素因数の和:11624

約数の個数: 64

約数和(自身を含む): 66804480

約数和(自身を除く): 45373224

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11597, 23194, 34791, 46388, 69582, 81179, 92776, 127567, 139164, 162358, 243537, 255134, 278328, 324716, 382701, 487074, 510268, 649432, 765402, 892969, 974148, 1020536, 1530804, 1785938, 1948296, 2678907, 3061608, 3571876, 5357814, 7143752, 10715628, 21431256]

約数ペア:

[(1, 21431256), (2, 10715628), (3, 7143752), (4, 5357814), (6, 3571876), (7, 3061608), (8, 2678907), (11, 1948296), (12, 1785938), (14, 1530804), (21, 1020536), (22, 974148), (24, 892969), (28, 765402), (33, 649432), (42, 510268), (44, 487074), (56, 382701), (66, 324716), (77, 278328), (84, 255134), (88, 243537), (132, 162358), (154, 139164), (168, 127567), (231, 92776), (264, 81179), (308, 69582), (462, 46388), (616, 34791), (924, 23194), (1848, 11597)]