21861330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3049}}^1$

素因数の和:3298

約数の個数: 32

約数和(自身を含む): 52704000

約数和(自身を除く): 30842670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 3049, 3585, 6098, 7170, 9147, 15245, 18294, 30490, 45735, 91470, 728711, 1457422, 2186133, 3643555, 4372266, 7287110, 10930665, 21861330]

約数ペア:

[(1, 21861330), (2, 10930665), (3, 7287110), (5, 4372266), (6, 3643555), (10, 2186133), (15, 1457422), (30, 728711), (239, 91470), (478, 45735), (717, 30490), (1195, 18294), (1434, 15245), (2390, 9147), (3049, 7170), (3585, 6098)]