21460335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15795345

約数列:

[1, 3, 5, 13, 15, 39, 65, 167, 195, 501, 659, 835, 1977, 2171, 2505, 3295, 6513, 8567, 9885, 10855, 25701, 32565, 42835, 110053, 128505, 330159, 550265, 1430689, 1650795, 4292067, 7153445, 21460335]

約数ペア:

[(1, 21460335), (3, 7153445), (5, 4292067), (13, 1650795), (15, 1430689), (39, 550265), (65, 330159), (167, 128505), (195, 110053), (501, 42835), (659, 32565), (835, 25701), (1977, 10855), (2171, 9885), (2505, 8567), (3295, 6513)]