21404328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81077}}^1$

素因数の和:81097

約数の個数: 32

約数和(自身を含む): 58376160

約数和(自身を除く): 36971832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81077, 162154, 243231, 324308, 486462, 648616, 891847, 972924, 1783694, 1945848, 2675541, 3567388, 5351082, 7134776, 10702164, 21404328]

約数ペア:

[(1, 21404328), (2, 10702164), (3, 7134776), (4, 5351082), (6, 3567388), (8, 2675541), (11, 1945848), (12, 1783694), (22, 972924), (24, 891847), (33, 648616), (44, 486462), (66, 324308), (88, 243231), (132, 162154), (264, 81077)]