21043920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87683}}^1$

素因数の和:87699

約数の個数: 40

約数和(自身を含む): 65236896

約数和(自身を除く): 44192976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87683, 175366, 263049, 350732, 438415, 526098, 701464, 876830, 1052196, 1315245, 1402928, 1753660, 2104392, 2630490, 3507320, 4208784, 5260980, 7014640, 10521960, 21043920]

約数ペア:

[(1, 21043920), (2, 10521960), (3, 7014640), (4, 5260980), (5, 4208784), (6, 3507320), (8, 2630490), (10, 2104392), (12, 1753660), (15, 1402928), (16, 1315245), (20, 1052196), (24, 876830), (30, 701464), (40, 526098), (48, 438415), (60, 350732), (80, 263049), (120, 175366), (240, 87683)]