21559668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10631}}^1$

素因数の和:10664

約数の個数: 36

約数和(自身を含む): 54478368

約数和(自身を除く): 32918700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10631, 21262, 31893, 42524, 63786, 127572, 138203, 276406, 414609, 552812, 829218, 1658436, 1796639, 3593278, 5389917, 7186556, 10779834, 21559668]

約数ペア:

[(1, 21559668), (2, 10779834), (3, 7186556), (4, 5389917), (6, 3593278), (12, 1796639), (13, 1658436), (26, 829218), (39, 552812), (52, 414609), (78, 276406), (156, 138203), (169, 127572), (338, 63786), (507, 42524), (676, 31893), (1014, 21262), (2028, 10631)]