21915512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4651}}^1$

素因数の和:4707

約数の個数: 32

約数和(自身を含む): 44659200

約数和(自身を除く): 22743688

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4651, 4712, 9302, 18604, 37208, 88369, 144181, 176738, 288362, 353476, 576724, 706952, 1153448, 2739439, 5478878, 10957756, 21915512]

約数ペア:

[(1, 21915512), (2, 10957756), (4, 5478878), (8, 2739439), (19, 1153448), (31, 706952), (38, 576724), (62, 353476), (76, 288362), (124, 176738), (152, 144181), (248, 88369), (589, 37208), (1178, 18604), (2356, 9302), (4651, 4712)]