21685290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65713}}^1$

素因数の和:65734

約数の個数: 32

約数和(自身を含む): 56776896

約数和(自身を除く): 35091606

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65713, 131426, 197139, 328565, 394278, 657130, 722843, 985695, 1445686, 1971390, 2168529, 3614215, 4337058, 7228430, 10842645, 21685290]

約数ペア:

[(1, 21685290), (2, 10842645), (3, 7228430), (5, 4337058), (6, 3614215), (10, 2168529), (11, 1971390), (15, 1445686), (22, 985695), (30, 722843), (33, 657130), (55, 394278), (66, 328565), (110, 197139), (165, 131426), (330, 65713)]