21372028

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 38707200

約数和(自身を除く): 17335172

約数列:

[1, 2, 4, 47, 79, 94, 158, 188, 316, 1439, 2878, 3713, 5756, 7426, 14852, 67633, 113681, 135266, 227362, 270532, 454724, 5343007, 10686014, 21372028]

約数ペア:

[(1, 21372028), (2, 10686014), (4, 5343007), (47, 454724), (79, 270532), (94, 227362), (158, 135266), (188, 113681), (316, 67633), (1439, 14852), (2878, 7426), (3713, 5756)]