21758670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{577}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 56805840

約数和(自身を除く): 35047170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 419, 577, 838, 1154, 1257, 1731, 2095, 2514, 2885, 3462, 3771, 4190, 5193, 5770, 6285, 7542, 8655, 10386, 12570, 17310, 18855, 25965, 37710, 51930, 241763, 483526, 725289, 1208815, 1450578, 2175867, 2417630, 3626445, 4351734, 7252890, 10879335, 21758670]

約数ペア:

[(1, 21758670), (2, 10879335), (3, 7252890), (5, 4351734), (6, 3626445), (9, 2417630), (10, 2175867), (15, 1450578), (18, 1208815), (30, 725289), (45, 483526), (90, 241763), (419, 51930), (577, 37710), (838, 25965), (1154, 18855), (1257, 17310), (1731, 12570), (2095, 10386), (2514, 8655), (2885, 7542), (3462, 6285), (3771, 5770), (4190, 5193)]