21547400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15391}}^1$

素因数の和:15414

約数の個数: 48

約数和(自身を含む): 57258240

約数和(自身を除く): 35710840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15391, 30782, 61564, 76955, 107737, 123128, 153910, 215474, 307820, 384775, 430948, 538685, 615640, 769550, 861896, 1077370, 1539100, 2154740, 2693425, 3078200, 4309480, 5386850, 10773700, 21547400]

約数ペア:

[(1, 21547400), (2, 10773700), (4, 5386850), (5, 4309480), (7, 3078200), (8, 2693425), (10, 2154740), (14, 1539100), (20, 1077370), (25, 861896), (28, 769550), (35, 615640), (40, 538685), (50, 430948), (56, 384775), (70, 307820), (100, 215474), (140, 153910), (175, 123128), (200, 107737), (280, 76955), (350, 61564), (700, 30782), (1400, 15391)]