21573496

素因数分解:

$2^3\times 7^1\times {\mathrm{601}}^1\times {\mathrm{641}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 46378080

約数和(自身を除く): 24804584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 601, 641, 1202, 1282, 2404, 2564, 4207, 4487, 4808, 5128, 8414, 8974, 16828, 17948, 33656, 35896, 385241, 770482, 1540964, 2696687, 3081928, 5393374, 10786748, 21573496]

約数ペア:

[(1, 21573496), (2, 10786748), (4, 5393374), (7, 3081928), (8, 2696687), (14, 1540964), (28, 770482), (56, 385241), (601, 35896), (641, 33656), (1202, 17948), (1282, 16828), (2404, 8974), (2564, 8414), (4207, 5128), (4487, 4808)]