21078178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1259}}^1$

素因数の和:2033

約数の個数: 16

約数和(自身を含む): 34564320

約数和(自身を除く): 13486142

約数列:

[1, 2, 11, 22, 761, 1259, 1522, 2518, 8371, 13849, 16742, 27698, 958099, 1916198, 10539089, 21078178]

約数ペア:

[(1, 21078178), (2, 10539089), (11, 1916198), (22, 958099), (761, 27698), (1259, 16742), (1522, 13849), (2518, 8371)]