21406899105

素因数分解:

$3^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{51973}}^1$

素因数の和:52109

約数の個数: 56

約数和(自身を含む): 38856386088

約数和(自身を除く): 17449486983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 243, 339, 405, 565, 729, 1017, 1215, 1695, 3051, 3645, 5085, 9153, 15255, 27459, 45765, 51973, 82377, 137295, 155919, 259865, 411885, 467757, 779595, 1403271, 2338785, 4209813, 5872949, 7016355, 12629439, 17618847, 21049065, 29364745, 37888317, 52856541, 63147195, 88094235, 158569623, 189441585, 264282705, 475708869, 792848115, 1427126607, 2378544345, 4281379821, 7135633035, 21406899105]

約数ペア:

[(1, 21406899105), (3, 7135633035), (5, 4281379821), (9, 2378544345), (15, 1427126607), (27, 792848115), (45, 475708869), (81, 264282705), (113, 189441585), (135, 158569623), (243, 88094235), (339, 63147195), (405, 52856541), (565, 37888317), (729, 29364745), (1017, 21049065), (1215, 17618847), (1695, 12629439), (3051, 7016355), (3645, 5872949), (5085, 4209813), (9153, 2338785), (15255, 1403271), (27459, 779595), (45765, 467757), (51973, 411885), (82377, 259865), (137295, 155919)]