21569552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43487}}^1$

素因数の和:43526

約数の個数: 20

約数和(自身を含む): 43140096

約数和(自身を除く): 21570544

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43487, 86974, 173948, 347896, 695792, 1348097, 2696194, 5392388, 10784776, 21569552]

約数ペア:

[(1, 21569552), (2, 10784776), (4, 5392388), (8, 2696194), (16, 1348097), (31, 695792), (62, 347896), (124, 173948), (248, 86974), (496, 43487)]