21460173

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 34461696

約数和(自身を除く): 13001523

約数列:

[1, 3, 7, 21, 23, 69, 157, 161, 283, 471, 483, 849, 1099, 1981, 3297, 3611, 5943, 6509, 10833, 19527, 25277, 44431, 45563, 75831, 133293, 136689, 311017, 933051, 1021913, 3065739, 7153391, 21460173]

約数ペア:

[(1, 21460173), (3, 7153391), (7, 3065739), (21, 1021913), (23, 933051), (69, 311017), (157, 136689), (161, 133293), (283, 75831), (471, 45563), (483, 44431), (849, 25277), (1099, 19527), (1981, 10833), (3297, 6509), (3611, 5943)]