21049345250

素因数分解:

$2^1\times 5^3\times {\mathrm{17321}}^1\times {\mathrm{4861}}^1$

素因数の和:22199

約数の個数: 32

約数和(自身を含む): 39414755952

約数和(自身を除く): 18365410702

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 4861, 9722, 17321, 24305, 34642, 48610, 86605, 121525, 173210, 243050, 433025, 607625, 866050, 1215250, 2165125, 4330250, 84197381, 168394762, 420986905, 841973810, 2104934525, 4209869050, 10524672625, 21049345250]

約数ペア:

[(1, 21049345250), (2, 10524672625), (5, 4209869050), (10, 2104934525), (25, 841973810), (50, 420986905), (125, 168394762), (250, 84197381), (4861, 4330250), (9722, 2165125), (17321, 1215250), (24305, 866050), (34642, 607625), (48610, 433025), (86605, 243050), (121525, 173210)]