21782790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80677}}^1$

素因数の和:80693

約数の個数: 32

約数和(自身を含む): 58088160

約数和(自身を除く): 36305370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80677, 161354, 242031, 403385, 484062, 726093, 806770, 1210155, 1452186, 2178279, 2420310, 3630465, 4356558, 7260930, 10891395, 21782790]

約数ペア:

[(1, 21782790), (2, 10891395), (3, 7260930), (5, 4356558), (6, 3630465), (9, 2420310), (10, 2178279), (15, 1452186), (18, 1210155), (27, 806770), (30, 726093), (45, 484062), (54, 403385), (90, 242031), (135, 161354), (270, 80677)]