2021072655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{24709}}^1$

素因数の和:24784

約数の個数: 64

約数和(自身を含む): 3985228800

約数和(自身を除く): 1964156145

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 205, 285, 287, 399, 615, 665, 779, 861, 1435, 1995, 2337, 3895, 4305, 5453, 11685, 16359, 24709, 27265, 74127, 81795, 123545, 172963, 370635, 469471, 518889, 864815, 1013069, 1408413, 2347355, 2594445, 3039207, 3286297, 5065345, 7042065, 7091483, 9858891, 15196035, 16431485, 19248311, 21274449, 35457415, 49294455, 57744933, 96241555, 106372245, 134738177, 288724665, 404214531, 673690885, 2021072655]

約数ペア:

[(1, 2021072655), (3, 673690885), (5, 404214531), (7, 288724665), (15, 134738177), (19, 106372245), (21, 96241555), (35, 57744933), (41, 49294455), (57, 35457415), (95, 21274449), (105, 19248311), (123, 16431485), (133, 15196035), (205, 9858891), (285, 7091483), (287, 7042065), (399, 5065345), (615, 3286297), (665, 3039207), (779, 2594445), (861, 2347355), (1435, 1408413), (1995, 1013069), (2337, 864815), (3895, 518889), (4305, 469471), (5453, 370635), (11685, 172963), (16359, 123545), (24709, 81795), (27265, 74127)]