21891210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66337}}^1$

素因数の和:66358

約数の個数: 32

約数和(自身を含む): 57316032

約数和(自身を除く): 35424822

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 66337, 132674, 199011, 331685, 398022, 663370, 729707, 995055, 1459414, 1990110, 2189121, 3648535, 4378242, 7297070, 10945605, 21891210]

約数ペア:

[(1, 21891210), (2, 10945605), (3, 7297070), (5, 4378242), (6, 3648535), (10, 2189121), (11, 1990110), (15, 1459414), (22, 995055), (30, 729707), (33, 663370), (55, 398022), (66, 331685), (110, 199011), (165, 132674), (330, 66337)]