21190796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10247}}^1$

素因数の和:10309

約数の個数: 24

約数和(自身を含む): 41319936

約数和(自身を除く): 20129140

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10247, 20494, 40988, 112717, 225434, 450868, 481609, 963218, 1926436, 5297699, 10595398, 21190796]

約数ペア:

[(1, 21190796), (2, 10595398), (4, 5297699), (11, 1926436), (22, 963218), (44, 481609), (47, 450868), (94, 225434), (188, 112717), (517, 40988), (1034, 20494), (2068, 10247)]