21398983478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{943601}}^1$

素因数の和:943672

約数の個数: 32

約数和(自身を含む): 36687245760

約数和(自身を除く): 15288262282

約数列:

[1, 2, 17, 23, 29, 34, 46, 58, 391, 493, 667, 782, 986, 1334, 11339, 22678, 943601, 1887202, 16041217, 21702823, 27364429, 32082434, 43405646, 54728858, 368947991, 465195293, 629381867, 737895982, 930390586, 1258763734, 10699491739, 21398983478]

約数ペア:

[(1, 21398983478), (2, 10699491739), (17, 1258763734), (23, 930390586), (29, 737895982), (34, 629381867), (46, 465195293), (58, 368947991), (391, 54728858), (493, 43405646), (667, 32082434), (782, 27364429), (986, 21702823), (1334, 16041217), (11339, 1887202), (22678, 943601)]