21771486

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3547}}^1$

素因数の和:3597

約数の個数: 48

約数和(自身を含む): 53134848

約数和(自身を除く): 31363362

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3547, 6138, 7094, 10641, 21282, 31923, 39017, 63846, 78034, 109957, 117051, 219914, 234102, 329871, 351153, 659742, 702306, 989613, 1209527, 1979226, 2419054, 3628581, 7257162, 10885743, 21771486]

約数ペア:

[(1, 21771486), (2, 10885743), (3, 7257162), (6, 3628581), (9, 2419054), (11, 1979226), (18, 1209527), (22, 989613), (31, 702306), (33, 659742), (62, 351153), (66, 329871), (93, 234102), (99, 219914), (186, 117051), (198, 109957), (279, 78034), (341, 63846), (558, 39017), (682, 31923), (1023, 21282), (2046, 10641), (3069, 7094), (3547, 6138)]