21797478

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3919}}^1$

素因数の和:4033

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 27124122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 3919, 5562, 7838, 11757, 23514, 35271, 70542, 105813, 211626, 403657, 807314, 1210971, 2421942, 3632913, 7265826, 10898739, 21797478]

約数ペア:

[(1, 21797478), (2, 10898739), (3, 7265826), (6, 3632913), (9, 2421942), (18, 1210971), (27, 807314), (54, 403657), (103, 211626), (206, 105813), (309, 70542), (618, 35271), (927, 23514), (1854, 11757), (2781, 7838), (3919, 5562)]