21000470428

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9036347}}^1$

素因数の和:9036441

約数の個数: 24

約数和(自身を含む): 42506980992

約数和(自身を除く): 21506510564

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9036347, 18072694, 36145388, 63254429, 126508858, 253017716, 750016801, 1500033602, 3000067204, 5250117607, 10500235214, 21000470428]

約数ペア:

[(1, 21000470428), (2, 10500235214), (4, 5250117607), (7, 3000067204), (14, 1500033602), (28, 750016801), (83, 253017716), (166, 126508858), (332, 63254429), (581, 36145388), (1162, 18072694), (2324, 9036347)]