21182190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2549}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 51040800

約数和(自身を除く): 29858610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2549, 2770, 4155, 5098, 7647, 8310, 12745, 15294, 25490, 38235, 76470, 706073, 1412146, 2118219, 3530365, 4236438, 7060730, 10591095, 21182190]

約数ペア:

[(1, 21182190), (2, 10591095), (3, 7060730), (5, 4236438), (6, 3530365), (10, 2118219), (15, 1412146), (30, 706073), (277, 76470), (554, 38235), (831, 25490), (1385, 15294), (1662, 12745), (2549, 8310), (2770, 7647), (4155, 5098)]