21999138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74827}}^1$

素因数の和:74846

約数の個数: 24

約数和(自身を含む): 51182352

約数和(自身を除く): 29183214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74827, 149654, 224481, 448962, 523789, 1047578, 1571367, 3142734, 3666523, 7333046, 10999569, 21999138]

約数ペア:

[(1, 21999138), (2, 10999569), (3, 7333046), (6, 3666523), (7, 3142734), (14, 1571367), (21, 1047578), (42, 523789), (49, 448962), (98, 224481), (147, 149654), (294, 74827)]