21245974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 13922282

約数列:

[1, 2, 23, 31, 46, 47, 62, 94, 317, 634, 713, 1081, 1426, 1457, 2162, 2914, 7291, 9827, 14582, 14899, 19654, 29798, 33511, 67022, 226021, 342677, 452042, 461869, 685354, 923738, 10622987, 21245974]

約数ペア:

[(1, 21245974), (2, 10622987), (23, 923738), (31, 685354), (46, 461869), (47, 452042), (62, 342677), (94, 226021), (317, 67022), (634, 33511), (713, 29798), (1081, 19654), (1426, 14899), (1457, 14582), (2162, 9827), (2914, 7291)]