21411468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45751}}^1$

素因数の和:45774

約数の個数: 36

約数和(自身を含む): 58288048

約数和(自身を除く): 36876580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45751, 91502, 137253, 183004, 274506, 411759, 549012, 594763, 823518, 1189526, 1647036, 1784289, 2379052, 3568578, 5352867, 7137156, 10705734, 21411468]

約数ペア:

[(1, 21411468), (2, 10705734), (3, 7137156), (4, 5352867), (6, 3568578), (9, 2379052), (12, 1784289), (13, 1647036), (18, 1189526), (26, 823518), (36, 594763), (39, 549012), (52, 411759), (78, 274506), (117, 183004), (156, 137253), (234, 91502), (468, 45751)]