21003823

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 23189760

約数和(自身を除く): 2185937

約数列:

[1, 17, 43, 59, 487, 731, 1003, 2537, 8279, 20941, 28733, 43129, 355997, 488461, 1235519, 21003823]

約数ペア:

[(1, 21003823), (17, 1235519), (43, 488461), (59, 355997), (487, 43129), (731, 28733), (1003, 20941), (2537, 8279)]