2021948180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{41621}}^1$

素因数の和:41984

約数の個数: 48

約数和(自身を含む): 4866777216

約数和(自身を除く): 2844829036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 694, 1388, 1735, 2429, 3470, 4858, 6940, 9716, 12145, 24290, 41621, 48580, 83242, 166484, 208105, 291347, 416210, 582694, 832420, 1165388, 1456735, 2913470, 5826940, 14442487, 28884974, 57769948, 72212435, 101097409, 144424870, 202194818, 288849740, 404389636, 505487045, 1010974090, 2021948180]

約数ペア:

[(1, 2021948180), (2, 1010974090), (4, 505487045), (5, 404389636), (7, 288849740), (10, 202194818), (14, 144424870), (20, 101097409), (28, 72212435), (35, 57769948), (70, 28884974), (140, 14442487), (347, 5826940), (694, 2913470), (1388, 1456735), (1735, 1165388), (2429, 832420), (3470, 582694), (4858, 416210), (6940, 291347), (9716, 208105), (12145, 166484), (24290, 83242), (41621, 48580)]