21163527

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30539}}^1$

素因数の和:30563

約数の個数: 24

約数和(自身を含む): 38113920

約数和(自身を除く): 16950393

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30539, 91617, 213773, 274851, 335929, 641319, 1007787, 1923957, 2351503, 3023361, 7054509, 21163527]

約数ペア:

[(1, 21163527), (3, 7054509), (7, 3023361), (9, 2351503), (11, 1923957), (21, 1007787), (33, 641319), (63, 335929), (77, 274851), (99, 213773), (231, 91617), (693, 30539)]