21864015

素因数分解:

$3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{929}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 38010960

約数和(自身を除く): 16146945

約数列:

[1, 3, 5, 9, 15, 45, 523, 929, 1569, 2615, 2787, 4645, 4707, 7845, 8361, 13935, 23535, 41805, 485867, 1457601, 2429335, 4372803, 7288005, 21864015]

約数ペア:

[(1, 21864015), (3, 7288005), (5, 4372803), (9, 2429335), (15, 1457601), (45, 485867), (523, 41805), (929, 23535), (1569, 13935), (2615, 8361), (2787, 7845), (4645, 4707)]