21903798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521519}}^1$

素因数の和:521531

約数の個数: 16

約数和(自身を含む): 50065920

約数和(自身を除く): 28162122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521519, 1043038, 1564557, 3129114, 3650633, 7301266, 10951899, 21903798]

約数ペア:

[(1, 21903798), (2, 10951899), (3, 7301266), (6, 3650633), (7, 3129114), (14, 1564557), (21, 1043038), (42, 521519)]