21764974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1888

約数の個数: 32

約数和(自身を含む): 41241600

約数和(自身を除く): 19476626

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 154, 158, 553, 869, 1106, 1738, 1789, 3578, 6083, 12166, 12523, 19679, 25046, 39358, 137753, 141331, 275506, 282662, 989317, 1554641, 1978634, 3109282, 10882487, 21764974]

約数ペア:

[(1, 21764974), (2, 10882487), (7, 3109282), (11, 1978634), (14, 1554641), (22, 989317), (77, 282662), (79, 275506), (154, 141331), (158, 137753), (553, 39358), (869, 25046), (1106, 19679), (1738, 12523), (1789, 12166), (3578, 6083)]