21509698

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 38033280

約数和(自身を除く): 16523582

約数列:

[1, 2, 7, 14, 61, 89, 122, 178, 283, 427, 566, 623, 854, 1246, 1981, 3962, 5429, 10858, 17263, 25187, 34526, 38003, 50374, 76006, 120841, 176309, 241682, 352618, 1536407, 3072814, 10754849, 21509698]

約数ペア:

[(1, 21509698), (2, 10754849), (7, 3072814), (14, 1536407), (61, 352618), (89, 241682), (122, 176309), (178, 120841), (283, 76006), (427, 50374), (566, 38003), (623, 34526), (854, 25187), (1246, 17263), (1981, 10858), (3962, 5429)]