21586617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10853}}^1$

素因数の和:10889

約数の個数: 24

約数和(自身を含む): 35557704

約数和(自身を除く): 13971087

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10853, 32559, 97677, 141089, 184501, 423267, 553503, 1269801, 1660509, 2398513, 7195539, 21586617]

約数ペア:

[(1, 21586617), (3, 7195539), (9, 2398513), (13, 1660509), (17, 1269801), (39, 553503), (51, 423267), (117, 184501), (153, 141089), (221, 97677), (663, 32559), (1989, 10853)]