21139916158

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{179581}}^1$

素因数の和:180483

約数の個数: 16

約数和(自身を含む): 32195460960

約数和(自身を除く): 11055544802

約数列:

[1, 2, 71, 142, 829, 1658, 58859, 117718, 179581, 359162, 12750251, 25500502, 148872649, 297745298, 10569958079, 21139916158]

約数ペア:

[(1, 21139916158), (2, 10569958079), (71, 297745298), (142, 148872649), (829, 25500502), (1658, 12750251), (58859, 359162), (117718, 179581)]