21291255885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1\times {\mathrm{24029}}^1$

素因数の和:27165

約数の個数: 32

約数和(自身を含む): 35871984000

約数和(自身を除く): 14580728115

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 3109, 9327, 15545, 24029, 46635, 59071, 72087, 120145, 177213, 295355, 360435, 456551, 886065, 1369653, 2282755, 6848265, 74706161, 224118483, 373530805, 1120592415, 1419417059, 4258251177, 7097085295, 21291255885]

約数ペア:

[(1, 21291255885), (3, 7097085295), (5, 4258251177), (15, 1419417059), (19, 1120592415), (57, 373530805), (95, 224118483), (285, 74706161), (3109, 6848265), (9327, 2282755), (15545, 1369653), (24029, 886065), (46635, 456551), (59071, 360435), (72087, 295355), (120145, 177213)]