21761096

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 48605040

約数和(自身を除く): 26843944

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 1291, 2107, 2408, 2582, 4214, 5164, 8428, 9037, 10328, 16856, 18074, 36148, 55513, 63259, 72296, 111026, 126518, 222052, 253036, 388591, 444104, 506072, 777182, 1554364, 2720137, 3108728, 5440274, 10880548, 21761096]

約数ペア:

[(1, 21761096), (2, 10880548), (4, 5440274), (7, 3108728), (8, 2720137), (14, 1554364), (28, 777182), (43, 506072), (49, 444104), (56, 388591), (86, 253036), (98, 222052), (172, 126518), (196, 111026), (301, 72296), (344, 63259), (392, 55513), (602, 36148), (1204, 18074), (1291, 16856), (2107, 10328), (2408, 9037), (2582, 8428), (4214, 5164)]