21389124

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61463}}^1$

素因数の和:61499

約数の個数: 24

約数和(自身を含む): 51629760

約数和(自身を除く): 30240636

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61463, 122926, 184389, 245852, 368778, 737556, 1782427, 3564854, 5347281, 7129708, 10694562, 21389124]

約数ペア:

[(1, 21389124), (2, 10694562), (3, 7129708), (4, 5347281), (6, 3564854), (12, 1782427), (29, 737556), (58, 368778), (87, 245852), (116, 184389), (174, 122926), (348, 61463)]