21833128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 21510872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 601, 956, 1202, 1912, 2404, 4541, 4808, 9082, 11419, 18164, 22838, 36328, 45676, 91352, 143639, 287278, 574556, 1149112, 2729141, 5458282, 10916564, 21833128]

約数ペア:

[(1, 21833128), (2, 10916564), (4, 5458282), (8, 2729141), (19, 1149112), (38, 574556), (76, 287278), (152, 143639), (239, 91352), (478, 45676), (601, 36328), (956, 22838), (1202, 18164), (1912, 11419), (2404, 9082), (4541, 4808)]