42720174

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{339049}}^1$

素因数の和:339064

約数の個数: 24

約数和(自身を含む): 105783600

約数和(自身を除く): 63063426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 339049, 678098, 1017147, 2034294, 2373343, 3051441, 4746686, 6102882, 7120029, 14240058, 21360087, 42720174]

約数ペア:

[(1, 42720174), (2, 21360087), (3, 14240058), (6, 7120029), (7, 6102882), (9, 4746686), (14, 3051441), (18, 2373343), (21, 2034294), (42, 1017147), (63, 678098), (126, 339049)]