21591288

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{3613}}^1$

素因数の和:3708

約数の個数: 48

約数和(自身を含む): 59197320

約数和(自身を除く): 37606032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 498, 664, 747, 996, 1494, 1992, 2988, 3613, 5976, 7226, 10839, 14452, 21678, 28904, 32517, 43356, 65034, 86712, 130068, 260136, 299879, 599758, 899637, 1199516, 1799274, 2399032, 2698911, 3598548, 5397822, 7197096, 10795644, 21591288]

約数ペア:

[(1, 21591288), (2, 10795644), (3, 7197096), (4, 5397822), (6, 3598548), (8, 2698911), (9, 2399032), (12, 1799274), (18, 1199516), (24, 899637), (36, 599758), (72, 299879), (83, 260136), (166, 130068), (249, 86712), (332, 65034), (498, 43356), (664, 32517), (747, 28904), (996, 21678), (1494, 14452), (1992, 10839), (2988, 7226), (3613, 5976)]