21805932

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 55577088

約数和(自身を除く): 33771156

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 46, 47, 69, 82, 92, 94, 123, 138, 141, 164, 188, 246, 276, 282, 492, 564, 943, 1081, 1681, 1886, 1927, 2162, 2829, 3243, 3362, 3772, 3854, 4324, 5043, 5658, 5781, 6486, 6724, 7708, 10086, 11316, 11562, 12972, 20172, 23124, 38663, 44321, 77326, 79007, 88642, 115989, 132963, 154652, 158014, 177284, 231978, 237021, 265926, 316028, 463956, 474042, 531852, 948084, 1817161, 3634322, 5451483, 7268644, 10902966, 21805932]

約数ペア:

[(1, 21805932), (2, 10902966), (3, 7268644), (4, 5451483), (6, 3634322), (12, 1817161), (23, 948084), (41, 531852), (46, 474042), (47, 463956), (69, 316028), (82, 265926), (92, 237021), (94, 231978), (123, 177284), (138, 158014), (141, 154652), (164, 132963), (188, 115989), (246, 88642), (276, 79007), (282, 77326), (492, 44321), (564, 38663), (943, 23124), (1081, 20172), (1681, 12972), (1886, 11562), (1927, 11316), (2162, 10086), (2829, 7708), (3243, 6724), (3362, 6486), (3772, 5781), (3854, 5658), (4324, 5043)]