21031915047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2131541}}^1$

素因数の和:2131591

約数の個数: 32

約数和(自身を含む): 34377509376

約数和(自身を除く): 13345594329

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 3289, 9867, 2131541, 6394623, 23446951, 27710033, 49025443, 70340853, 83130099, 147076329, 304810363, 539279873, 637330759, 914431089, 1617839619, 1911992277, 7010638349, 21031915047]

約数ペア:

[(1, 21031915047), (3, 7010638349), (11, 1911992277), (13, 1617839619), (23, 914431089), (33, 637330759), (39, 539279873), (69, 304810363), (143, 147076329), (253, 83130099), (299, 70340853), (429, 49025443), (759, 27710033), (897, 23446951), (3289, 6394623), (9867, 2131541)]