21635512

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{2729}}^1$

素因数の和:3726

約数の個数: 16

約数和(自身を含む): 40622400

約数和(自身を除く): 18986888

約数列:

[1, 2, 4, 8, 991, 1982, 2729, 3964, 5458, 7928, 10916, 21832, 2704439, 5408878, 10817756, 21635512]

約数ペア:

[(1, 21635512), (2, 10817756), (4, 5408878), (8, 2704439), (991, 21832), (1982, 10916), (2729, 7928), (3964, 5458)]