21910748

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 39102000

約数和(自身を除く): 17191252

約数列:

[1, 2, 4, 97, 149, 194, 298, 379, 388, 596, 758, 1516, 14453, 28906, 36763, 56471, 57812, 73526, 112942, 147052, 225884, 5477687, 10955374, 21910748]

約数ペア:

[(1, 21910748), (2, 10955374), (4, 5477687), (97, 225884), (149, 147052), (194, 112942), (298, 73526), (379, 57812), (388, 56471), (596, 36763), (758, 28906), (1516, 14453)]