21836256519

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{138403}}^1$

素因数の和:139107

約数の個数: 32

約数和(自身を含む): 36352641024

約数和(自身を除く): 14516384505

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 683, 2049, 4781, 7513, 14343, 22539, 52591, 138403, 157773, 415209, 968821, 1522433, 2906463, 4567299, 10657031, 31971093, 94529249, 283587747, 661704743, 1039821739, 1985114229, 3119465217, 7278752173, 21836256519]

約数ペア:

[(1, 21836256519), (3, 7278752173), (7, 3119465217), (11, 1985114229), (21, 1039821739), (33, 661704743), (77, 283587747), (231, 94529249), (683, 31971093), (2049, 10657031), (4781, 4567299), (7513, 2906463), (14343, 1522433), (22539, 968821), (52591, 415209), (138403, 157773)]