21415804

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{523}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 38954160

約数和(自身を除く): 17538356

約数列:

[1, 2, 4, 29, 58, 116, 353, 523, 706, 1046, 1412, 2092, 10237, 15167, 20474, 30334, 40948, 60668, 184619, 369238, 738476, 5353951, 10707902, 21415804]

約数ペア:

[(1, 21415804), (2, 10707902), (4, 5353951), (29, 738476), (58, 369238), (116, 184619), (353, 60668), (523, 40948), (706, 30334), (1046, 20474), (1412, 15167), (2092, 10237)]