21966329

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29465856

約数和(自身を除く): 7499527

約数列:

[1, 7, 11, 17, 77, 97, 119, 173, 187, 679, 1067, 1211, 1309, 1649, 1903, 2941, 7469, 11543, 13321, 16781, 18139, 20587, 32351, 117467, 126973, 184591, 226457, 285277, 1292137, 1996939, 3138047, 21966329]

約数ペア:

[(1, 21966329), (7, 3138047), (11, 1996939), (17, 1292137), (77, 285277), (97, 226457), (119, 184591), (173, 126973), (187, 117467), (679, 32351), (1067, 20587), (1211, 18139), (1309, 16781), (1649, 13321), (1903, 11543), (2941, 7469)]