21770705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6709}}^1$

素因数の和:6784

約数の個数: 16

約数和(自身を含む): 28987200

約数和(自身を除く): 7216495

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6709, 33545, 73799, 368995, 395831, 1979155, 4354141, 21770705]

約数ペア:

[(1, 21770705), (5, 4354141), (11, 1979155), (55, 395831), (59, 368995), (295, 73799), (649, 33545), (3245, 6709)]