21000681186

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1\times {\mathrm{106649}}^1$

素因数の和:107578

約数の個数: 32

約数和(自身を含む): 43185571200

約数和(自身を除く): 22184890014

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 887, 1774, 2661, 5322, 32819, 65638, 98457, 106649, 196914, 213298, 319947, 639894, 3946013, 7892026, 11838039, 23676078, 94597663, 189195326, 283792989, 567585978, 3500113531, 7000227062, 10500340593, 21000681186]

約数ペア:

[(1, 21000681186), (2, 10500340593), (3, 7000227062), (6, 3500113531), (37, 567585978), (74, 283792989), (111, 189195326), (222, 94597663), (887, 23676078), (1774, 11838039), (2661, 7892026), (5322, 3946013), (32819, 639894), (65638, 319947), (98457, 213298), (106649, 196914)]