21547264

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1242

約数の個数: 36

約数和(自身を含む): 43637356

約数和(自身を除く): 22090092

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 584, 1153, 1168, 2306, 2336, 4612, 4672, 9224, 9344, 18448, 18688, 36896, 73792, 84169, 147584, 168338, 295168, 336676, 673352, 1346704, 2693408, 5386816, 10773632, 21547264]

約数ペア:

[(1, 21547264), (2, 10773632), (4, 5386816), (8, 2693408), (16, 1346704), (32, 673352), (64, 336676), (73, 295168), (128, 168338), (146, 147584), (256, 84169), (292, 73792), (584, 36896), (1153, 18688), (1168, 18448), (2306, 9344), (2336, 9224), (4612, 4672)]