21107208

素因数分解:

$2^3\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2657}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 52947360

約数和(自身を除く): 31840152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 331, 662, 993, 1324, 1986, 2648, 2657, 3972, 5314, 7944, 7971, 10628, 15942, 21256, 31884, 63768, 879467, 1758934, 2638401, 3517868, 5276802, 7035736, 10553604, 21107208]

約数ペア:

[(1, 21107208), (2, 10553604), (3, 7035736), (4, 5276802), (6, 3517868), (8, 2638401), (12, 1758934), (24, 879467), (331, 63768), (662, 31884), (993, 21256), (1324, 15942), (1986, 10628), (2648, 7971), (2657, 7944), (3972, 5314)]