21494772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3533}}^1$

素因数の和:3569

約数の個数: 54

約数和(自身を含む): 58851702

約数和(自身を除く): 37356930

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3533, 6084, 7066, 10599, 14132, 21198, 31797, 42396, 45929, 63594, 91858, 127188, 137787, 183716, 275574, 413361, 551148, 597077, 826722, 1194154, 1653444, 1791231, 2388308, 3582462, 5373693, 7164924, 10747386, 21494772]

約数ペア:

[(1, 21494772), (2, 10747386), (3, 7164924), (4, 5373693), (6, 3582462), (9, 2388308), (12, 1791231), (13, 1653444), (18, 1194154), (26, 826722), (36, 597077), (39, 551148), (52, 413361), (78, 275574), (117, 183716), (156, 137787), (169, 127188), (234, 91858), (338, 63594), (468, 45929), (507, 42396), (676, 31797), (1014, 21198), (1521, 14132), (2028, 10599), (3042, 7066), (3533, 6084)]