21616996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2971}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 40442976

約数和(自身を除く): 18825980

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2971, 3638, 5942, 7276, 11884, 50507, 101014, 202028, 317897, 635794, 1271588, 5404249, 10808498, 21616996]

約数ペア:

[(1, 21616996), (2, 10808498), (4, 5404249), (17, 1271588), (34, 635794), (68, 317897), (107, 202028), (214, 101014), (428, 50507), (1819, 11884), (2971, 7276), (3638, 5942)]