21021582

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 43781760

約数和(自身を除く): 22760178

約数列:

[1, 2, 3, 6, 43, 59, 86, 118, 129, 177, 258, 354, 1381, 2537, 2762, 4143, 5074, 7611, 8286, 15222, 59383, 81479, 118766, 162958, 178149, 244437, 356298, 488874, 3503597, 7007194, 10510791, 21021582]

約数ペア:

[(1, 21021582), (2, 10510791), (3, 7007194), (6, 3503597), (43, 488874), (59, 356298), (86, 244437), (118, 178149), (129, 162958), (177, 118766), (258, 81479), (354, 59383), (1381, 15222), (2537, 8286), (2762, 7611), (4143, 5074)]