21743684

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 38864448

約数和(自身を除く): 17120764

約数列:

[1, 2, 4, 101, 107, 202, 214, 404, 428, 503, 1006, 2012, 10807, 21614, 43228, 50803, 53821, 101606, 107642, 203212, 215284, 5435921, 10871842, 21743684]

約数ペア:

[(1, 21743684), (2, 10871842), (4, 5435921), (101, 215284), (107, 203212), (202, 107642), (214, 101606), (404, 53821), (428, 50803), (503, 43228), (1006, 21614), (2012, 10807)]