21548997

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 11211003

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1249, 1917, 3747, 5751, 11241, 17253, 33723, 88679, 101169, 266037, 303507, 798111, 2394333, 7182999, 21548997]

約数ペア:

[(1, 21548997), (3, 7182999), (9, 2394333), (27, 798111), (71, 303507), (81, 266037), (213, 101169), (243, 88679), (639, 33723), (1249, 17253), (1917, 11241), (3747, 5751)]