21822788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1367}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 41291712

約数和(自身を除く): 19468924

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1228, 1367, 2734, 3991, 5468, 7982, 15964, 17771, 35542, 71084, 419669, 839338, 1678676, 5455697, 10911394, 21822788]

約数ペア:

[(1, 21822788), (2, 10911394), (4, 5455697), (13, 1678676), (26, 839338), (52, 419669), (307, 71084), (614, 35542), (1228, 17771), (1367, 15964), (2734, 7982), (3991, 5468)]