21077766

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3581}}^1$

素因数の和:3701

約数の個数: 32

約数和(自身を含む): 47282400

約数和(自身を除く): 26204634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3581, 5886, 7162, 10743, 21486, 32229, 64458, 96687, 193374, 390329, 780658, 1170987, 2341974, 3512961, 7025922, 10538883, 21077766]

約数ペア:

[(1, 21077766), (2, 10538883), (3, 7025922), (6, 3512961), (9, 2341974), (18, 1170987), (27, 780658), (54, 390329), (109, 193374), (218, 96687), (327, 64458), (654, 32229), (981, 21486), (1962, 10743), (2943, 7162), (3581, 5886)]