21240324

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12041}}^1$

素因数の和:12065

約数の個数: 54

約数和(自身を含む): 62461854

約数和(自身を除く): 41221530

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12041, 24082, 36123, 48164, 72246, 84287, 108369, 144492, 168574, 216738, 252861, 337148, 433476, 505722, 590009, 758583, 1011444, 1180018, 1517166, 1770027, 2360036, 3034332, 3540054, 5310081, 7080108, 10620162, 21240324]

約数ペア:

[(1, 21240324), (2, 10620162), (3, 7080108), (4, 5310081), (6, 3540054), (7, 3034332), (9, 2360036), (12, 1770027), (14, 1517166), (18, 1180018), (21, 1011444), (28, 758583), (36, 590009), (42, 505722), (49, 433476), (63, 337148), (84, 252861), (98, 216738), (126, 168574), (147, 144492), (196, 108369), (252, 84287), (294, 72246), (441, 48164), (588, 36123), (882, 24082), (1764, 12041)]