21415786

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4261}}^1$

素因数の和:4629

約数の個数: 16

約数和(自身を含む): 36823680

約数和(自身を除く): 15407894

約数列:

[1, 2, 7, 14, 359, 718, 2513, 4261, 5026, 8522, 29827, 59654, 1529699, 3059398, 10707893, 21415786]

約数ペア:

[(1, 21415786), (2, 10707893), (7, 3059398), (14, 1529699), (359, 59654), (718, 29827), (2513, 8522), (4261, 5026)]