21841743

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4111}}^1$

素因数の和:4155

約数の個数: 32

約数和(自身を含む): 37896192

約数和(自身を除く): 16054449

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 4111, 5313, 12333, 28777, 45221, 86331, 94553, 135663, 283659, 316547, 661871, 949641, 1040083, 1985613, 3120249, 7280581, 21841743]

約数ペア:

[(1, 21841743), (3, 7280581), (7, 3120249), (11, 1985613), (21, 1040083), (23, 949641), (33, 661871), (69, 316547), (77, 283659), (161, 135663), (231, 94553), (253, 86331), (483, 45221), (759, 28777), (1771, 12333), (4111, 5313)]