21099842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 35112000

約数和(自身を除く): 14012158

約数列:

[1, 2, 19, 37, 38, 43, 74, 86, 349, 698, 703, 817, 1406, 1591, 1634, 3182, 6631, 12913, 13262, 15007, 25826, 30014, 30229, 60458, 245347, 285133, 490694, 555259, 570266, 1110518, 10549921, 21099842]

約数ペア:

[(1, 21099842), (2, 10549921), (19, 1110518), (37, 570266), (38, 555259), (43, 490694), (74, 285133), (86, 245347), (349, 60458), (698, 30229), (703, 30014), (817, 25826), (1406, 15007), (1591, 13262), (1634, 12913), (3182, 6631)]