21048652872

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2498653}}^1$

素因数の和:2498684

約数の個数: 80

約数和(自身を含む): 63490798140

約数和(自身を除く): 42442145268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 2498653, 4997306, 7495959, 9994612, 14991918, 19989224, 22487877, 29983836, 32482489, 44975754, 59967672, 64964978, 67463631, 89951508, 97447467, 129929956, 134927262, 179903016, 194894934, 202390893, 259859912, 269854524, 292342401, 389789868, 404781786, 539709048, 584684802, 779579736, 809563572, 877027203, 1169369604, 1619127144, 1754054406, 2338739208, 2631081609, 3508108812, 5262163218, 7016217624, 10524326436, 21048652872]

約数ペア:

[(1, 21048652872), (2, 10524326436), (3, 7016217624), (4, 5262163218), (6, 3508108812), (8, 2631081609), (9, 2338739208), (12, 1754054406), (13, 1619127144), (18, 1169369604), (24, 877027203), (26, 809563572), (27, 779579736), (36, 584684802), (39, 539709048), (52, 404781786), (54, 389789868), (72, 292342401), (78, 269854524), (81, 259859912), (104, 202390893), (108, 194894934), (117, 179903016), (156, 134927262), (162, 129929956), (216, 97447467), (234, 89951508), (312, 67463631), (324, 64964978), (351, 59967672), (468, 44975754), (648, 32482489), (702, 29983836), (936, 22487877), (1053, 19989224), (1404, 14991918), (2106, 9994612), (2808, 7495959), (4212, 4997306), (8424, 2498653)]