21689622

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 49973040

約数和(自身を除く): 28283418

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1073, 1123, 2146, 2246, 3219, 3369, 6438, 6738, 9657, 10107, 19314, 20214, 32567, 41551, 65134, 83102, 97701, 124653, 195402, 249306, 293103, 373959, 586206, 747918, 1204979, 2409958, 3614937, 7229874, 10844811, 21689622]

約数ペア:

[(1, 21689622), (2, 10844811), (3, 7229874), (6, 3614937), (9, 2409958), (18, 1204979), (29, 747918), (37, 586206), (58, 373959), (74, 293103), (87, 249306), (111, 195402), (174, 124653), (222, 97701), (261, 83102), (333, 65134), (522, 41551), (666, 32567), (1073, 20214), (1123, 19314), (2146, 10107), (2246, 9657), (3219, 6738), (3369, 6438)]