21382764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 54251232

約数和(自身を除く): 32868468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1213, 1356, 1469, 2426, 2938, 3639, 4407, 4852, 5876, 7278, 8814, 14556, 15769, 17628, 31538, 47307, 63076, 94614, 137069, 189228, 274138, 411207, 548276, 822414, 1644828, 1781897, 3563794, 5345691, 7127588, 10691382, 21382764]

約数ペア:

[(1, 21382764), (2, 10691382), (3, 7127588), (4, 5345691), (6, 3563794), (12, 1781897), (13, 1644828), (26, 822414), (39, 548276), (52, 411207), (78, 274138), (113, 189228), (156, 137069), (226, 94614), (339, 63076), (452, 47307), (678, 31538), (1213, 17628), (1356, 15769), (1469, 14556), (2426, 8814), (2938, 7278), (3639, 5876), (4407, 4852)]