21400517095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{22109}}^1$

素因数の和:22599

約数の個数: 32

約数和(自身を含む): 28272499200

約数和(自身を除く): 6871982105

約数列:

[1, 5, 19, 23, 95, 115, 437, 443, 2185, 2215, 8417, 10189, 22109, 42085, 50945, 110545, 193591, 420071, 508507, 967955, 2100355, 2542535, 9661633, 9794287, 48308165, 48971435, 186091453, 225268601, 930457265, 1126343005, 4280103419, 21400517095]

約数ペア:

[(1, 21400517095), (5, 4280103419), (19, 1126343005), (23, 930457265), (95, 225268601), (115, 186091453), (437, 48971435), (443, 48308165), (2185, 9794287), (2215, 9661633), (8417, 2542535), (10189, 2100355), (22109, 967955), (42085, 508507), (50945, 420071), (110545, 193591)]