21563552

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9491}}^1$

素因数の和:9572

約数の個数: 24

約数和(自身を含む): 43055712

約数和(自身を除く): 21492160

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9491, 18982, 37964, 75928, 151856, 303712, 673861, 1347722, 2695444, 5390888, 10781776, 21563552]

約数ペア:

[(1, 21563552), (2, 10781776), (4, 5390888), (8, 2695444), (16, 1347722), (32, 673861), (71, 303712), (142, 151856), (284, 75928), (568, 37964), (1136, 18982), (2272, 9491)]