21546099

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 10820781

約数列:

[1, 3, 9, 37, 89, 111, 267, 333, 727, 801, 2181, 3293, 6543, 9879, 26899, 29637, 64703, 80697, 194109, 242091, 582327, 2394011, 7182033, 21546099]

約数ペア:

[(1, 21546099), (3, 7182033), (9, 2394011), (37, 582327), (89, 242091), (111, 194109), (267, 80697), (333, 64703), (727, 29637), (801, 26899), (2181, 9879), (3293, 6543)]