21355646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1951}}^1$

素因数の和:2387

約数の個数: 16

約数和(自身を含む): 34597248

約数和(自身を除く): 13241602

約数列:

[1, 2, 13, 26, 421, 842, 1951, 3902, 5473, 10946, 25363, 50726, 821371, 1642742, 10677823, 21355646]

約数ペア:

[(1, 21355646), (2, 10677823), (13, 1642742), (26, 821371), (421, 50726), (842, 25363), (1951, 10946), (3902, 5473)]