21692216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29110984

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 332, 359, 364, 581, 664, 718, 728, 1079, 1162, 1436, 2158, 2324, 2513, 2872, 4316, 4648, 4667, 5026, 7553, 8632, 9334, 10052, 15106, 18668, 20104, 29797, 30212, 32669, 37336, 59594, 60424, 65338, 119188, 130676, 208579, 238376, 261352, 387361, 417158, 774722, 834316, 1549444, 1668632, 2711527, 3098888, 5423054, 10846108, 21692216]

約数ペア:

[(1, 21692216), (2, 10846108), (4, 5423054), (7, 3098888), (8, 2711527), (13, 1668632), (14, 1549444), (26, 834316), (28, 774722), (52, 417158), (56, 387361), (83, 261352), (91, 238376), (104, 208579), (166, 130676), (182, 119188), (332, 65338), (359, 60424), (364, 59594), (581, 37336), (664, 32669), (718, 30212), (728, 29797), (1079, 20104), (1162, 18668), (1436, 15106), (2158, 10052), (2324, 9334), (2513, 8632), (2872, 7553), (4316, 5026), (4648, 4667)]