21527766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 50594544

約数和(自身を除く): 29066778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 197, 234, 394, 467, 591, 934, 1182, 1401, 1773, 2561, 2802, 3546, 4203, 5122, 6071, 7683, 8406, 12142, 15366, 18213, 23049, 36426, 46098, 54639, 91999, 109278, 183998, 275997, 551994, 827991, 1195987, 1655982, 2391974, 3587961, 7175922, 10763883, 21527766]

約数ペア:

[(1, 21527766), (2, 10763883), (3, 7175922), (6, 3587961), (9, 2391974), (13, 1655982), (18, 1195987), (26, 827991), (39, 551994), (78, 275997), (117, 183998), (197, 109278), (234, 91999), (394, 54639), (467, 46098), (591, 36426), (934, 23049), (1182, 18213), (1401, 15366), (1773, 12142), (2561, 8406), (2802, 7683), (3546, 6071), (4203, 5122)]