21243596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25411}}^1$

素因数の和:25445

約数の個数: 24

約数和(自身を含む): 42692160

約数和(自身を除く): 21448564

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25411, 50822, 101644, 279521, 482809, 559042, 965618, 1118084, 1931236, 5310899, 10621798, 21243596]

約数ペア:

[(1, 21243596), (2, 10621798), (4, 5310899), (11, 1931236), (19, 1118084), (22, 965618), (38, 559042), (44, 482809), (76, 279521), (209, 101644), (418, 50822), (836, 25411)]