21240948

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8389}}^1$

素因数の和:8607

約数の個数: 24

約数和(自身を含む): 49803040

約数和(自身を除く): 28562092

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8389, 16778, 25167, 33556, 50334, 100668, 1770079, 3540158, 5310237, 7080316, 10620474, 21240948]

約数ペア:

[(1, 21240948), (2, 10620474), (3, 7080316), (4, 5310237), (6, 3540158), (12, 1770079), (211, 100668), (422, 50334), (633, 33556), (844, 25167), (1266, 16778), (2532, 8389)]