21536360

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{887}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 27055000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 887, 1214, 1774, 2428, 3035, 3548, 4435, 4856, 6070, 7096, 8870, 12140, 17740, 24280, 35480, 538409, 1076818, 2153636, 2692045, 4307272, 5384090, 10768180, 21536360]

約数ペア:

[(1, 21536360), (2, 10768180), (4, 5384090), (5, 4307272), (8, 2692045), (10, 2153636), (20, 1076818), (40, 538409), (607, 35480), (887, 24280), (1214, 17740), (1774, 12140), (2428, 8870), (3035, 7096), (3548, 6070), (4435, 4856)]