21799910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3359}}^1$

素因数の和:3436

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 21745690

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 3359, 6490, 6718, 16795, 33590, 36949, 73898, 184745, 198181, 369490, 396362, 990905, 1981810, 2179991, 4359982, 10899955, 21799910]

約数ペア:

[(1, 21799910), (2, 10899955), (5, 4359982), (10, 2179991), (11, 1981810), (22, 990905), (55, 396362), (59, 369490), (110, 198181), (118, 184745), (295, 73898), (590, 36949), (649, 33590), (1298, 16795), (3245, 6718), (3359, 6490)]