21321670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73523}}^1$

素因数の和:73559

約数の個数: 16

約数和(自身を含む): 39702960

約数和(自身を除く): 18381290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73523, 147046, 367615, 735230, 2132167, 4264334, 10660835, 21321670]

約数ペア:

[(1, 21321670), (2, 10660835), (5, 4264334), (10, 2132167), (29, 735230), (58, 367615), (145, 147046), (290, 73523)]