21856527

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10513}}^1$

素因数の和:10540

約数の個数: 32

約数和(自身を含む): 40373760

約数和(自身を除く): 18517233

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10513, 31539, 73591, 94617, 115643, 220773, 283851, 346929, 662319, 809501, 1040787, 1986957, 2428503, 3122361, 7285509, 21856527]

約数ペア:

[(1, 21856527), (3, 7285509), (7, 3122361), (9, 2428503), (11, 1986957), (21, 1040787), (27, 809501), (33, 662319), (63, 346929), (77, 283851), (99, 220773), (189, 115643), (231, 94617), (297, 73591), (693, 31539), (2079, 10513)]