21000888008

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{177841}}^1$

素因数の和:178385

約数の個数: 32

約数和(自身を含む): 40814739000

約数和(自身を除く): 19813850992

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 509, 1018, 2036, 4072, 14761, 29522, 59044, 118088, 177841, 355682, 711364, 1422728, 5157389, 10314778, 20629556, 41259112, 90521069, 181042138, 362084276, 724168552, 2625111001, 5250222002, 10500444004, 21000888008]

約数ペア:

[(1, 21000888008), (2, 10500444004), (4, 5250222002), (8, 2625111001), (29, 724168552), (58, 362084276), (116, 181042138), (232, 90521069), (509, 41259112), (1018, 20629556), (2036, 10314778), (4072, 5157389), (14761, 1422728), (29522, 711364), (59044, 355682), (118088, 177841)]