21798678796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{598799}}^1$

素因数の和:599301

約数の個数: 24

約数和(自身を含む): 40239360000

約数和(自身を除く): 18440681204

約数列:

[1, 2, 4, 19, 38, 76, 479, 958, 1916, 9101, 18202, 36404, 598799, 1197598, 2395196, 11377181, 22754362, 45508724, 286824721, 573649442, 1147298884, 5449669699, 10899339398, 21798678796]

約数ペア:

[(1, 21798678796), (2, 10899339398), (4, 5449669699), (19, 1147298884), (38, 573649442), (76, 286824721), (479, 45508724), (958, 22754362), (1916, 11377181), (9101, 2395196), (18202, 1197598), (36404, 598799)]