21000551044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{652921}}^1$

素因数の和:652996

約数の個数: 48

約数和(自身を含む): 43437594816

約数和(自身を除く): 22437043772

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 731, 748, 946, 1462, 1892, 2924, 8041, 16082, 32164, 652921, 1305842, 2611684, 7182131, 11099657, 14364262, 22199314, 28075603, 28728524, 44398628, 56151206, 112302412, 122096227, 244192454, 308831633, 477285251, 488384908, 617663266, 954570502, 1235326532, 1909141004, 5250137761, 10500275522, 21000551044]

約数ペア:

[(1, 21000551044), (2, 10500275522), (4, 5250137761), (11, 1909141004), (17, 1235326532), (22, 954570502), (34, 617663266), (43, 488384908), (44, 477285251), (68, 308831633), (86, 244192454), (172, 122096227), (187, 112302412), (374, 56151206), (473, 44398628), (731, 28728524), (748, 28075603), (946, 22199314), (1462, 14364262), (1892, 11099657), (2924, 7182131), (8041, 2611684), (16082, 1305842), (32164, 652921)]