21291942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{827}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 48805632

約数和(自身を除く): 27513690

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 613, 827, 1226, 1654, 1839, 2481, 3678, 4291, 4962, 5789, 8582, 11578, 12873, 17367, 25746, 34734, 506951, 1013902, 1520853, 3041706, 3548657, 7097314, 10645971, 21291942]

約数ペア:

[(1, 21291942), (2, 10645971), (3, 7097314), (6, 3548657), (7, 3041706), (14, 1520853), (21, 1013902), (42, 506951), (613, 34734), (827, 25746), (1226, 17367), (1654, 12873), (1839, 11578), (2481, 8582), (3678, 5789), (4291, 4962)]