21209670765

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1867}}^1\times {\mathrm{6823}}^1$

素因数の和:8738

約数の個数: 48

約数和(自身を含む): 37782795648

約数和(自身を除く): 16573124883

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 1867, 5601, 6823, 9335, 16803, 20469, 28005, 34115, 61407, 69079, 84015, 102345, 207237, 252451, 307035, 345395, 621711, 757353, 1036185, 1262255, 2272059, 3108555, 3786765, 11360295, 12738541, 38215623, 63692705, 114646869, 191078115, 471326017, 573234345, 1413978051, 2356630085, 4241934153, 7069890255, 21209670765]

約数ペア:

[(1, 21209670765), (3, 7069890255), (5, 4241934153), (9, 2356630085), (15, 1413978051), (37, 573234345), (45, 471326017), (111, 191078115), (185, 114646869), (333, 63692705), (555, 38215623), (1665, 12738541), (1867, 11360295), (5601, 3786765), (6823, 3108555), (9335, 2272059), (16803, 1262255), (20469, 1036185), (28005, 757353), (34115, 621711), (61407, 345395), (69079, 307035), (84015, 252451), (102345, 207237)]