21000391704

素因数分解:

$2^3\times 3^2\times {\mathrm{1607}}^1\times {\mathrm{181501}}^1$

素因数の和:183120

約数の個数: 48

約数和(自身を含む): 56911767120

約数和(自身を除く): 35911375416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1607, 3214, 4821, 6428, 9642, 12856, 14463, 19284, 28926, 38568, 57852, 115704, 181501, 363002, 544503, 726004, 1089006, 1452008, 1633509, 2178012, 3267018, 4356024, 6534036, 13068072, 291672107, 583344214, 875016321, 1166688428, 1750032642, 2333376856, 2625048963, 3500065284, 5250097926, 7000130568, 10500195852, 21000391704]

約数ペア:

[(1, 21000391704), (2, 10500195852), (3, 7000130568), (4, 5250097926), (6, 3500065284), (8, 2625048963), (9, 2333376856), (12, 1750032642), (18, 1166688428), (24, 875016321), (36, 583344214), (72, 291672107), (1607, 13068072), (3214, 6534036), (4821, 4356024), (6428, 3267018), (9642, 2178012), (12856, 1633509), (14463, 1452008), (19284, 1089006), (28926, 726004), (38568, 544503), (57852, 363002), (115704, 181501)]