21167882984

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{617}}^1\times {\mathrm{64007}}^1$

素因数の和:64697

約数の個数: 32

約数和(自身を含む): 40348082880

約数和(自身を除く): 19180199896

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 617, 1234, 2468, 4936, 41339, 64007, 82678, 128014, 165356, 256028, 330712, 512056, 4288469, 8576938, 17153876, 34307752, 39492319, 78984638, 157969276, 315938552, 2645985373, 5291970746, 10583941492, 21167882984]

約数ペア:

[(1, 21167882984), (2, 10583941492), (4, 5291970746), (8, 2645985373), (67, 315938552), (134, 157969276), (268, 78984638), (536, 39492319), (617, 34307752), (1234, 17153876), (2468, 8576938), (4936, 4288469), (41339, 512056), (64007, 330712), (82678, 256028), (128014, 165356)]