21166024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4021

約数の個数: 32

約数和(自身を含む): 44015040

約数和(自身を除く): 22849016

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3943, 5368, 7886, 15772, 31544, 43373, 86746, 173492, 240523, 346984, 481046, 962092, 1924184, 2645753, 5291506, 10583012, 21166024]

約数ペア:

[(1, 21166024), (2, 10583012), (4, 5291506), (8, 2645753), (11, 1924184), (22, 962092), (44, 481046), (61, 346984), (88, 240523), (122, 173492), (244, 86746), (488, 43373), (671, 31544), (1342, 15772), (2684, 7886), (3943, 5368)]