21355474

素因数分解:

$2^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:982

約数の個数: 24

約数和(自身を含む): 37428480

約数和(自身を除く): 16073006

約数列:

[1, 2, 7, 14, 49, 98, 359, 607, 718, 1214, 2513, 4249, 5026, 8498, 17591, 29743, 35182, 59486, 217913, 435826, 1525391, 3050782, 10677737, 21355474]

約数ペア:

[(1, 21355474), (2, 10677737), (7, 3050782), (14, 1525391), (49, 435826), (98, 217913), (359, 59486), (607, 35182), (718, 29743), (1214, 17591), (2513, 8498), (4249, 5026)]