21504476

素因数分解:

$2^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{947}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 43107456

約数和(自身を除く): 21602980

約数列:

[1, 2, 4, 7, 14, 28, 811, 947, 1622, 1894, 3244, 3788, 5677, 6629, 11354, 13258, 22708, 26516, 768017, 1536034, 3072068, 5376119, 10752238, 21504476]

約数ペア:

[(1, 21504476), (2, 10752238), (4, 5376119), (7, 3072068), (14, 1536034), (28, 768017), (811, 26516), (947, 22708), (1622, 13258), (1894, 11354), (3244, 6629), (3788, 5677)]