21862863

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 15202737

約数列:

[1, 3, 9, 11, 19, 33, 57, 59, 99, 171, 177, 197, 209, 531, 591, 627, 649, 1121, 1773, 1881, 1947, 2167, 3363, 3743, 5841, 6501, 10089, 11229, 11623, 12331, 19503, 33687, 34869, 36993, 41173, 104607, 110979, 123519, 127853, 220837, 370557, 383559, 662511, 1150677, 1987533, 2429207, 7287621, 21862863]

約数ペア:

[(1, 21862863), (3, 7287621), (9, 2429207), (11, 1987533), (19, 1150677), (33, 662511), (57, 383559), (59, 370557), (99, 220837), (171, 127853), (177, 123519), (197, 110979), (209, 104607), (531, 41173), (591, 36993), (627, 34869), (649, 33687), (1121, 19503), (1773, 12331), (1881, 11623), (1947, 11229), (2167, 10089), (3363, 6501), (3743, 5841)]