21044324

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5651}}^1$

素因数の和:5688

約数の個数: 36

約数和(自身を含む): 45102960

約数和(自身を除く): 24058636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5651, 11302, 22604, 39557, 79114, 107369, 158228, 214738, 276899, 429476, 553798, 751583, 1107596, 1503166, 3006332, 5261081, 10522162, 21044324]

約数ペア:

[(1, 21044324), (2, 10522162), (4, 5261081), (7, 3006332), (14, 1503166), (19, 1107596), (28, 751583), (38, 553798), (49, 429476), (76, 276899), (98, 214738), (133, 158228), (196, 107369), (266, 79114), (532, 39557), (931, 22604), (1862, 11302), (3724, 5651)]