21167019956

素因数分解:

$2^2\times {\mathrm{223}}^1\times {\mathrm{613}}^1\times {\mathrm{38711}}^1$

素因数の和:39551

約数の個数: 24

約数和(自身を含む): 37270055424

約数和(自身を除く): 16103035468

約数列:

[1, 2, 4, 223, 446, 613, 892, 1226, 2452, 38711, 77422, 136699, 154844, 273398, 546796, 8632553, 17265106, 23729843, 34530212, 47459686, 94919372, 5291754989, 10583509978, 21167019956]

約数ペア:

[(1, 21167019956), (2, 10583509978), (4, 5291754989), (223, 94919372), (446, 47459686), (613, 34530212), (892, 23729843), (1226, 17265106), (2452, 8632553), (38711, 546796), (77422, 273398), (136699, 154844)]