21578623

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 4669697

約数列:

[1, 11, 19, 23, 67, 209, 253, 437, 737, 1273, 1541, 4489, 4807, 14003, 16951, 29279, 49379, 85291, 103247, 322069, 938201, 1135717, 1961693, 21578623]

約数ペア:

[(1, 21578623), (11, 1961693), (19, 1135717), (23, 938201), (67, 322069), (209, 103247), (253, 85291), (437, 49379), (737, 29279), (1273, 16951), (1541, 14003), (4489, 4807)]