21960645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 40396800

約数和(自身を除く): 18436155

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1051, 1393, 2985, 3153, 4179, 5255, 6965, 7357, 15765, 20895, 22071, 36785, 110355, 209149, 627447, 1045745, 1464043, 3137235, 4392129, 7320215, 21960645]

約数ペア:

[(1, 21960645), (3, 7320215), (5, 4392129), (7, 3137235), (15, 1464043), (21, 1045745), (35, 627447), (105, 209149), (199, 110355), (597, 36785), (995, 22071), (1051, 20895), (1393, 15765), (2985, 7357), (3153, 6965), (4179, 5255)]