21156556904

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5175283}}^1$

素因数の和:5175369

約数の個数: 32

約数和(自身を含む): 45956521920

約数和(自身を除く): 24799965016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5175283, 10350566, 20701132, 36226981, 41402264, 72453962, 144907924, 289815848, 377795659, 755591318, 1511182636, 2644569613, 3022365272, 5289139226, 10578278452, 21156556904]

約数ペア:

[(1, 21156556904), (2, 10578278452), (4, 5289139226), (7, 3022365272), (8, 2644569613), (14, 1511182636), (28, 755591318), (56, 377795659), (73, 289815848), (146, 144907924), (292, 72453962), (511, 41402264), (584, 36226981), (1022, 20701132), (2044, 10350566), (4088, 5175283)]