21651735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10853}}^1$

素因数の和:10887

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 20027625

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10853, 32559, 54265, 75971, 162795, 206207, 227913, 379855, 618621, 1031035, 1139565, 1443449, 3093105, 4330347, 7217245, 21651735]

約数ペア:

[(1, 21651735), (3, 7217245), (5, 4330347), (7, 3093105), (15, 1443449), (19, 1139565), (21, 1031035), (35, 618621), (57, 379855), (95, 227913), (105, 206207), (133, 162795), (285, 75971), (399, 54265), (665, 32559), (1995, 10853)]