21000907342

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{3833}}^1\times {\mathrm{63709}}^1$

素因数の和:67587

約数の個数: 16

約数和(自身を含む): 32242866480

約数和(自身を除く): 11241959138

約数列:

[1, 2, 43, 86, 3833, 7666, 63709, 127418, 164819, 329638, 2739487, 5478974, 244196597, 488393194, 10500453671, 21000907342]

約数ペア:

[(1, 21000907342), (2, 10500453671), (43, 488393194), (86, 244196597), (3833, 5478974), (7666, 2739487), (63709, 329638), (127418, 164819)]