21671944

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9439}}^1$

素因数の和:9493

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 25905656

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9439, 18878, 37756, 66073, 75512, 132146, 264292, 386999, 528584, 773998, 1547996, 2708993, 3095992, 5417986, 10835972, 21671944]

約数ペア:

[(1, 21671944), (2, 10835972), (4, 5417986), (7, 3095992), (8, 2708993), (14, 1547996), (28, 773998), (41, 528584), (56, 386999), (82, 264292), (164, 132146), (287, 75512), (328, 66073), (574, 37756), (1148, 18878), (2296, 9439)]