21000304838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3390427}}^1$

素因数の和:3390611

約数の個数: 16

約数和(自身を含む): 33361811520

約数和(自身を除く): 12361506682

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 3390427, 6780854, 64418113, 128836226, 552639601, 1105279202, 10500152419, 21000304838]

約数ペア:

[(1, 21000304838), (2, 10500152419), (19, 1105279202), (38, 552639601), (163, 128836226), (326, 64418113), (3097, 6780854), (6194, 3390427)]