21908370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 57822336

約数和(自身を除く): 35913966

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 197, 330, 337, 394, 591, 674, 985, 1011, 1182, 1685, 1970, 2022, 2167, 2955, 3370, 3707, 4334, 5055, 5910, 6501, 7414, 10110, 10835, 11121, 13002, 18535, 21670, 22242, 32505, 37070, 55605, 65010, 66389, 111210, 132778, 199167, 331945, 398334, 663890, 730279, 995835, 1460558, 1991670, 2190837, 3651395, 4381674, 7302790, 10954185, 21908370]

約数ペア:

[(1, 21908370), (2, 10954185), (3, 7302790), (5, 4381674), (6, 3651395), (10, 2190837), (11, 1991670), (15, 1460558), (22, 995835), (30, 730279), (33, 663890), (55, 398334), (66, 331945), (110, 199167), (165, 132778), (197, 111210), (330, 66389), (337, 65010), (394, 55605), (591, 37070), (674, 32505), (985, 22242), (1011, 21670), (1182, 18535), (1685, 13002), (1970, 11121), (2022, 10835), (2167, 10110), (2955, 7414), (3370, 6501), (3707, 5910), (4334, 5055)]