21979728

素因数分解:

$2^4\times 3^3\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 80

約数和(自身を含む): 63954240

約数和(自身を除く): 41974512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 83, 108, 144, 166, 216, 249, 332, 432, 498, 613, 664, 747, 996, 1226, 1328, 1494, 1839, 1992, 2241, 2452, 2988, 3678, 3984, 4482, 4904, 5517, 5976, 7356, 8964, 9808, 11034, 11952, 14712, 16551, 17928, 22068, 29424, 33102, 35856, 44136, 50879, 66204, 88272, 101758, 132408, 152637, 203516, 264816, 305274, 407032, 457911, 610548, 814064, 915822, 1221096, 1373733, 1831644, 2442192, 2747466, 3663288, 5494932, 7326576, 10989864, 21979728]

約数ペア:

[(1, 21979728), (2, 10989864), (3, 7326576), (4, 5494932), (6, 3663288), (8, 2747466), (9, 2442192), (12, 1831644), (16, 1373733), (18, 1221096), (24, 915822), (27, 814064), (36, 610548), (48, 457911), (54, 407032), (72, 305274), (83, 264816), (108, 203516), (144, 152637), (166, 132408), (216, 101758), (249, 88272), (332, 66204), (432, 50879), (498, 44136), (613, 35856), (664, 33102), (747, 29424), (996, 22068), (1226, 17928), (1328, 16551), (1494, 14712), (1839, 11952), (1992, 11034), (2241, 9808), (2452, 8964), (2988, 7356), (3678, 5976), (3984, 5517), (4482, 4904)]