21918064

素因数分解:

$2^4\times 7^1\times {\mathrm{195697}}^1$

素因数の和:195712

約数の個数: 20

約数和(自身を含む): 48533104

約数和(自身を除く): 26615040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195697, 391394, 782788, 1369879, 1565576, 2739758, 3131152, 5479516, 10959032, 21918064]

約数ペア:

[(1, 21918064), (2, 10959032), (4, 5479516), (7, 3131152), (8, 2739758), (14, 1565576), (16, 1369879), (28, 782788), (56, 391394), (112, 195697)]