21019174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 37293696

約数和(自身を除く): 16274522

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1307, 1462, 2614, 8041, 14377, 16082, 22219, 28754, 44438, 56201, 112402, 244409, 488818, 618211, 955417, 1236422, 1910834, 10509587, 21019174]

約数ペア:

[(1, 21019174), (2, 10509587), (11, 1910834), (17, 1236422), (22, 955417), (34, 618211), (43, 488818), (86, 244409), (187, 112402), (374, 56201), (473, 44438), (731, 28754), (946, 22219), (1307, 16082), (1462, 14377), (2614, 8041)]