21418523

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2017}}^1$

素因数の和:2102

約数の個数: 16

約数和(自身を含む): 25765824

約数和(自身を除く): 4347301

約数列:

[1, 7, 37, 41, 259, 287, 1517, 2017, 10619, 14119, 74629, 82697, 522403, 578879, 3059789, 21418523]

約数ペア:

[(1, 21418523), (7, 3059789), (37, 578879), (41, 522403), (259, 82697), (287, 74629), (1517, 14119), (2017, 10619)]