21008092

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4603}}^1$

素因数の和:4777

約数の個数: 24

約数和(自身を含む): 42283136

約数和(自身を除く): 21275044

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 4603, 9206, 18412, 32221, 64442, 128884, 750289, 1500578, 3001156, 5252023, 10504046, 21008092]

約数ペア:

[(1, 21008092), (2, 10504046), (4, 5252023), (7, 3001156), (14, 1500578), (28, 750289), (163, 128884), (326, 64442), (652, 32221), (1141, 18412), (2282, 9206), (4564, 4603)]