21282258

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 43831296

約数和(自身を除く): 22549038

約数列:

[1, 2, 3, 6, 47, 94, 141, 163, 282, 326, 463, 489, 926, 978, 1389, 2778, 7661, 15322, 21761, 22983, 43522, 45966, 65283, 75469, 130566, 150938, 226407, 452814, 3547043, 7094086, 10641129, 21282258]

約数ペア:

[(1, 21282258), (2, 10641129), (3, 7094086), (6, 3547043), (47, 452814), (94, 226407), (141, 150938), (163, 130566), (282, 75469), (326, 65283), (463, 45966), (489, 43522), (926, 22983), (978, 21761), (1389, 15322), (2778, 7661)]