21000775098

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{170813}}^1$

素因数の和:171510

約数の個数: 32

約数和(自身を含む): 43422285312

約数和(自身を除く): 22421510214

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 661, 1322, 1983, 3966, 20491, 40982, 61473, 122946, 170813, 341626, 512439, 1024878, 5295203, 10590406, 15885609, 31771218, 112907393, 225814786, 338722179, 677444358, 3500129183, 7000258366, 10500387549, 21000775098]

約数ペア:

[(1, 21000775098), (2, 10500387549), (3, 7000258366), (6, 3500129183), (31, 677444358), (62, 338722179), (93, 225814786), (186, 112907393), (661, 31771218), (1322, 15885609), (1983, 10590406), (3966, 5295203), (20491, 1024878), (40982, 512439), (61473, 341626), (122946, 170813)]