21591984

素因数分解:

$2^4\times 3^1\times {\mathrm{449833}}^1$

素因数の和:449844

約数の個数: 20

約数和(自身を含む): 55779416

約数和(自身を除く): 34187432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449833, 899666, 1349499, 1799332, 2698998, 3598664, 5397996, 7197328, 10795992, 21591984]

約数ペア:

[(1, 21591984), (2, 10795992), (3, 7197328), (4, 5397996), (6, 3598664), (8, 2698998), (12, 1799332), (16, 1349499), (24, 899666), (48, 449833)]