21721464

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 62056800

約数和(自身を除く): 40335336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 101, 103, 116, 174, 202, 206, 232, 261, 303, 309, 348, 404, 412, 522, 606, 618, 696, 808, 824, 909, 927, 1044, 1212, 1236, 1818, 1854, 2088, 2424, 2472, 2929, 2987, 3636, 3708, 5858, 5974, 7272, 7416, 8787, 8961, 10403, 11716, 11948, 17574, 17922, 20806, 23432, 23896, 26361, 26883, 31209, 35148, 35844, 41612, 52722, 53766, 62418, 70296, 71688, 83224, 93627, 105444, 107532, 124836, 187254, 210888, 215064, 249672, 301687, 374508, 603374, 749016, 905061, 1206748, 1810122, 2413496, 2715183, 3620244, 5430366, 7240488, 10860732, 21721464]

約数ペア:

[(1, 21721464), (2, 10860732), (3, 7240488), (4, 5430366), (6, 3620244), (8, 2715183), (9, 2413496), (12, 1810122), (18, 1206748), (24, 905061), (29, 749016), (36, 603374), (58, 374508), (72, 301687), (87, 249672), (101, 215064), (103, 210888), (116, 187254), (174, 124836), (202, 107532), (206, 105444), (232, 93627), (261, 83224), (303, 71688), (309, 70296), (348, 62418), (404, 53766), (412, 52722), (522, 41612), (606, 35844), (618, 35148), (696, 31209), (808, 26883), (824, 26361), (909, 23896), (927, 23432), (1044, 20806), (1212, 17922), (1236, 17574), (1818, 11948), (1854, 11716), (2088, 10403), (2424, 8961), (2472, 8787), (2929, 7416), (2987, 7272), (3636, 5974), (3708, 5858)]