21559878

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{17359}}^1$

素因数の和:17393

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 28436922

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 17359, 34718, 52077, 104154, 156231, 312462, 399257, 468693, 798514, 937386, 1197771, 2395542, 3593313, 7186626, 10779939, 21559878]

約数ペア:

[(1, 21559878), (2, 10779939), (3, 7186626), (6, 3593313), (9, 2395542), (18, 1197771), (23, 937386), (27, 798514), (46, 468693), (54, 399257), (69, 312462), (138, 156231), (207, 104154), (414, 52077), (621, 34718), (1242, 17359)]