21736828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{571}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 39463424

約数和(自身を除く): 17726596

約数列:

[1, 2, 4, 31, 62, 124, 307, 571, 614, 1142, 1228, 2284, 9517, 17701, 19034, 35402, 38068, 70804, 175297, 350594, 701188, 5434207, 10868414, 21736828]

約数ペア:

[(1, 21736828), (2, 10868414), (4, 5434207), (31, 701188), (62, 350594), (124, 175297), (307, 70804), (571, 38068), (614, 35402), (1142, 19034), (1228, 17701), (2284, 9517)]