21163350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10853}}^1$

素因数の和:10881

約数の個数: 48

約数和(自身を含む): 56527632

約数和(自身を除く): 35364282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10853, 21706, 32559, 54265, 65118, 108530, 141089, 162795, 271325, 282178, 325590, 423267, 542650, 705445, 813975, 846534, 1410890, 1627950, 2116335, 3527225, 4232670, 7054450, 10581675, 21163350]

約数ペア:

[(1, 21163350), (2, 10581675), (3, 7054450), (5, 4232670), (6, 3527225), (10, 2116335), (13, 1627950), (15, 1410890), (25, 846534), (26, 813975), (30, 705445), (39, 542650), (50, 423267), (65, 325590), (75, 282178), (78, 271325), (130, 162795), (150, 141089), (195, 108530), (325, 65118), (390, 54265), (650, 32559), (975, 21706), (1950, 10853)]