21081552

素因数分解:

$2^4\times 3^1\times {\mathrm{439199}}^1$

素因数の和:439210

約数の個数: 20

約数和(自身を含む): 54460800

約数和(自身を除く): 33379248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439199, 878398, 1317597, 1756796, 2635194, 3513592, 5270388, 7027184, 10540776, 21081552]

約数ペア:

[(1, 21081552), (2, 10540776), (3, 7027184), (4, 5270388), (6, 3513592), (8, 2635194), (12, 1756796), (16, 1317597), (24, 878398), (48, 439199)]