21805836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 55323744

約数和(自身を除く): 33517908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1237, 1356, 1469, 2474, 2938, 3711, 4407, 4948, 5876, 7422, 8814, 14844, 16081, 17628, 32162, 48243, 64324, 96486, 139781, 192972, 279562, 419343, 559124, 838686, 1677372, 1817153, 3634306, 5451459, 7268612, 10902918, 21805836]

約数ペア:

[(1, 21805836), (2, 10902918), (3, 7268612), (4, 5451459), (6, 3634306), (12, 1817153), (13, 1677372), (26, 838686), (39, 559124), (52, 419343), (78, 279562), (113, 192972), (156, 139781), (226, 96486), (339, 64324), (452, 48243), (678, 32162), (1237, 17628), (1356, 16081), (1469, 14844), (2474, 8814), (2938, 7422), (3711, 5876), (4407, 4948)]