21319072

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21491}}^1$

素因数の和:21532

約数の個数: 24

約数和(自身を含む): 43327872

約数和(自身を除く): 22008800

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21491, 42982, 85964, 171928, 343856, 666221, 687712, 1332442, 2664884, 5329768, 10659536, 21319072]

約数ペア:

[(1, 21319072), (2, 10659536), (4, 5329768), (8, 2664884), (16, 1332442), (31, 687712), (32, 666221), (62, 343856), (124, 171928), (248, 85964), (496, 42982), (992, 21491)]