21032043

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 10320789

約数列:

[1, 3, 17, 31, 51, 53, 93, 159, 251, 527, 753, 901, 1581, 1643, 2703, 4267, 4929, 7781, 12801, 13303, 23343, 27931, 39909, 83793, 132277, 226151, 396831, 412393, 678453, 1237179, 7010681, 21032043]

約数ペア:

[(1, 21032043), (3, 7010681), (17, 1237179), (31, 678453), (51, 412393), (53, 396831), (93, 226151), (159, 132277), (251, 83793), (527, 39909), (753, 27931), (901, 23343), (1581, 13303), (1643, 12801), (2703, 7781), (4267, 4929)]