21048230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1511}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22497370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1511, 1990, 2786, 3022, 6965, 7555, 10577, 13930, 15110, 21154, 52885, 105770, 300689, 601378, 1503445, 2104823, 3006890, 4209646, 10524115, 21048230]

約数ペア:

[(1, 21048230), (2, 10524115), (5, 4209646), (7, 3006890), (10, 2104823), (14, 1503445), (35, 601378), (70, 300689), (199, 105770), (398, 52885), (995, 21154), (1393, 15110), (1511, 13930), (1990, 10577), (2786, 7555), (3022, 6965)]