21383988

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26597}}^1$

素因数の和:26671

約数の個数: 24

約数和(自身を含む): 50642592

約数和(自身を除く): 29258604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26597, 53194, 79791, 106388, 159582, 319164, 1781999, 3563998, 5345997, 7127996, 10691994, 21383988]

約数ペア:

[(1, 21383988), (2, 10691994), (3, 7127996), (4, 5345997), (6, 3563998), (12, 1781999), (67, 319164), (134, 159582), (201, 106388), (268, 79791), (402, 53194), (804, 26597)]