21833721

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 17792775

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 477, 503, 689, 819, 1113, 1509, 2067, 3339, 3521, 4527, 4823, 6201, 6539, 10563, 14469, 19617, 26659, 31689, 43407, 45773, 58851, 79977, 137319, 186613, 239931, 346567, 411957, 559839, 1039701, 1679517, 2425969, 3119103, 7277907, 21833721]

約数ペア:

[(1, 21833721), (3, 7277907), (7, 3119103), (9, 2425969), (13, 1679517), (21, 1039701), (39, 559839), (53, 411957), (63, 346567), (91, 239931), (117, 186613), (159, 137319), (273, 79977), (371, 58851), (477, 45773), (503, 43407), (689, 31689), (819, 26659), (1113, 19617), (1509, 14469), (2067, 10563), (3339, 6539), (3521, 6201), (4527, 4823)]