21052984

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{11801}}^1$

素因数の和:12030

約数の個数: 16

約数和(自身を含む): 39654720

約数和(自身を除く): 18601736

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 11801, 23602, 47204, 94408, 2631623, 5263246, 10526492, 21052984]

約数ペア:

[(1, 21052984), (2, 10526492), (4, 5263246), (8, 2631623), (223, 94408), (446, 47204), (892, 23602), (1784, 11801)]