21316218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 57784320

約数和(自身を除く): 36468102

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 37, 42, 43, 58, 66, 74, 77, 86, 87, 111, 129, 154, 174, 203, 222, 231, 258, 259, 301, 319, 406, 407, 462, 473, 518, 602, 609, 638, 777, 814, 903, 946, 957, 1073, 1218, 1221, 1247, 1419, 1554, 1591, 1806, 1914, 2146, 2233, 2442, 2494, 2838, 2849, 3182, 3219, 3311, 3741, 4466, 4773, 5698, 6438, 6622, 6699, 7482, 7511, 8547, 8729, 9546, 9933, 11137, 11803, 13398, 13717, 15022, 17094, 17458, 17501, 19866, 22274, 22533, 23606, 26187, 27434, 33411, 35002, 35409, 41151, 45066, 46139, 52374, 52503, 66822, 70818, 82302, 82621, 92278, 96019, 105006, 122507, 138417, 165242, 192038, 245014, 247863, 276834, 288057, 322973, 367521, 495726, 507529, 576114, 645946, 735042, 968919, 1015058, 1522587, 1937838, 3045174, 3552703, 7105406, 10658109, 21316218]

約数ペア:

[(1, 21316218), (2, 10658109), (3, 7105406), (6, 3552703), (7, 3045174), (11, 1937838), (14, 1522587), (21, 1015058), (22, 968919), (29, 735042), (33, 645946), (37, 576114), (42, 507529), (43, 495726), (58, 367521), (66, 322973), (74, 288057), (77, 276834), (86, 247863), (87, 245014), (111, 192038), (129, 165242), (154, 138417), (174, 122507), (203, 105006), (222, 96019), (231, 92278), (258, 82621), (259, 82302), (301, 70818), (319, 66822), (406, 52503), (407, 52374), (462, 46139), (473, 45066), (518, 41151), (602, 35409), (609, 35002), (638, 33411), (777, 27434), (814, 26187), (903, 23606), (946, 22533), (957, 22274), (1073, 19866), (1218, 17501), (1221, 17458), (1247, 17094), (1419, 15022), (1554, 13717), (1591, 13398), (1806, 11803), (1914, 11137), (2146, 9933), (2233, 9546), (2442, 8729), (2494, 8547), (2838, 7511), (2849, 7482), (3182, 6699), (3219, 6622), (3311, 6438), (3741, 5698), (4466, 4773)]