21934030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30893}}^1$

素因数の和:30971

約数の個数: 16

約数和(自身を含む): 40038624

約数和(自身を除く): 18104594

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 30893, 61786, 154465, 308930, 2193403, 4386806, 10967015, 21934030]

約数ペア:

[(1, 21934030), (2, 10967015), (5, 4386806), (10, 2193403), (71, 308930), (142, 154465), (355, 61786), (710, 30893)]