21036705513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{77747}}^1$

素因数の和:77917

約数の個数: 32

約数和(自身を含む): 30452336640

約数和(自身を除く): 9415631127

約数列:

[1, 3, 19, 47, 57, 101, 141, 303, 893, 1919, 2679, 4747, 5757, 14241, 77747, 90193, 233241, 270579, 1477193, 3654109, 4431579, 7852447, 10962327, 23557341, 69428071, 149196493, 208284213, 369065009, 447589479, 1107195027, 7012235171, 21036705513]

約数ペア:

[(1, 21036705513), (3, 7012235171), (19, 1107195027), (47, 447589479), (57, 369065009), (101, 208284213), (141, 149196493), (303, 69428071), (893, 23557341), (1919, 10962327), (2679, 7852447), (4747, 4431579), (5757, 3654109), (14241, 1477193), (77747, 270579), (90193, 233241)]